You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named ethyl 2'-amino-1'-(2-chloro-4-methylphenyl)-5,7',7'-trimethyl-2,5'-dioxospiro[1H-indole-3,4'-6,8-dihydroquinoline]-3'-carboxylate is given. What is its corresponding molecular formula?
user
C29H30ClN3O4
assistant