You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-phenyl-4-[4-(2-piperidin-1-ylethylsulfanyl)phenyl]-3,4-dihydro-2H-chromen-6-ol by IUPAC nomenclature, provide its molecular formula.
user
C28H31NO2S
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