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 N-[2-[(3R,4R)-3-(aminomethyl)-4-phenylpyrrolidin-1-yl]-2-oxoethyl]-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxamide .
user
C22H27N3O2S
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