You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[(Z)-1-(4-chlorophenyl)-3-[4-[2-[(2-oxopyrrolidin-1-yl)methyl]phenyl]cyclohexylidene]prop-1-en-2-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H37ClN2O3
assistant