You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[2-[1-benzyl-3-(3,4-difluorophenyl)-6-oxopiperidin-3-yl]ethyl]-N,N-dimethyl-4-phenylpiperidine-4-carboxamide;hydrate;hydrochloride by IUPAC nomenclature, provide its molecular formula.
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C34H42ClF2N3O3
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