You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-1-[(2S)-4-[2-[(4S)-4-(3-fluorophenyl)-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]acetyl]-2-methylpiperazin-1-yl]-2-phenylbutan-1-one into molecular formula.
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C30H34FN3O2S
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