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 N-[[(1S)-2,2-dimethyl-1-phenylcyclopropyl]methyl]-3-[(2S)-2-[(4-fluorophenyl)methyl]-5-oxopyrrolidin-2-yl]-N-methylpropanamide ?
user
C27H33FN2O2
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