You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (E)-4-[(3S)-3-[4-[6-(2,4-dichlorophenyl)-2-hydroxy-8,9-dihydro-7H-benzo[7]annulen-5-yl]phenoxy]pyrrolidin-1-yl]-N,N-dimethylbut-2-enamide ?
user
C33H34Cl2N2O3
assistant