You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (2R)-1-[9-ethylsulfonyl-6-(oxan-4-yl)-5,6,7,8-tetrahydrocarbazole-3-carbonyl]pyrrolidine-2-carboxylate;9-ethylsulfonyl-6-(oxan-4-yl)-5,6,7,8-tetrahydrocarbazole-3-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C49H65N3O11S2
assistant