You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (E)-3-[(1R,3aR,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-9-(4-methoxycarbonylphenyl)-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,11,11b,12,13,13a,13b-tetradecahydrocyclopenta[a]chrysen-3a-yl]prop-2-enoic acid;tert-butyl 4-[(1R,3aR,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-[(E)-3-ethoxy-3-oxoprop-1-enyl]-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,11,11b,12,13,13a,13b-tetradecahydrocyclopenta[a]chrysen-9-yl]benzoate;1,2-dichloroethane;methyl 4-[(1R,3aR,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-[(E)-3-chloro-3-oxoprop-1-enyl]-5a,5b,8,8,11a-pentamethyl-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,11,11b,12,13,13a,13b-tetradecahydrocyclopenta[a]chrysen-9-yl]benzoate;oxalyl dichloride ?
user
C129H175Cl5O13
assistant