You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-[(3-fluorophenyl)methyl]-6-oxo-N-[(1S)-1-phenylethyl]benzo[b][1,4]benzothiazepine-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C29H23FN2O2S
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