You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (3S)-3-[4-[[4-[(1-phenylspiro[2H-indole-3,4'-piperidine]-1'-yl)methyl]phenyl]methoxy]phenyl]hex-4-ynoic acid is given. What is its corresponding molecular formula?
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C38H38N2O3
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