This chemical is called 2-Naphthalenecarboxylic acid, 1-hydroxy-4-(1-(4-hydroxy-3-(methoxycarbonyl)-1-naphthalenyl)-3-oxo-1H,3H-naphtho(1,8-cd)pyran-1-yl)-6-(octadecyloxy)-, and its CAS registry number is 38122-80-4. With the molecular formula of C₅₃H₅₈O₉, its molecular weight is 839.02.

Other characteristics of the 2-Naphthalenecarboxylic acid, 1-hydroxy-4-(1-(4-hydroxy-3-(methoxycarbonyl)-1-naphthalenyl)-3-oxo-1H,3H-naphtho(1,8-cd)pyran-1-yl)-6-(octadecyloxy)- can be summarised as followings: (1)ACD/LogP: 16.40; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 13.9; (4)ACD/LogD (pH 7.4): 12.97; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 10000000; (8)ACD/KOC (pH 7.4): 7316327; (9)#H bond acceptors: 9; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 25; (12)Polar Surface Area: 106.59 Å²; (13)Index of Refraction: 1.634; (14)Molar Refractivity: 245.77 cm³; (15)Molar Volume: 687.1 cm³; (16)Polarizability: 97.43×10^-24cm³; (17)Surface Tension: 55 dyne/cm; (18)Density: 1.221 g/cm³; (19)Flash Point: 269.1 °C; (20)Enthalpy of Vaporization: 143.2 kJ/mol; (21)Boiling Point: 939.5 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C(OC)c2c(O)c1c(cccc1)c(c2)C5(OC(=O)c3c4c(ccc3)cccc45)c7c6cc(OCCCCCCCCCCCCCCCCCC)ccc6c(O)c(C(=O)O)c7
2.InChI: InChI=1/C53H58O9/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-20-31-61-36-29-30-39-41(32-36)46(33-42(48(39)54)50(56)57)53(44-28-22-24-35-23-21-27-40(47(35)44)52(59)62-53)45-34-43(51(58)60-2)49(55)38-26-19-18-25-37(38)45/h18-19,21-30,32-34,54-55H,3-17,20,31H2,1-2H3,(H,56,57)
3.InChIKey: GQAKXAZXUYZQAI-UHFFFAOYAF