You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[(3R,4R)-3-(aminomethyl)-4-phenylpyrrolidin-1-yl]-N-[(2-fluorophenyl)carbamoyl]propanamide;hydrochloride .
user
C21H26ClFN4O2
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