You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [2-(2-chlorophenyl)-1-(4-chlorophenyl)imidazol-4-yl]-[4-hydroxy-4-(4-methylsulfanylphenyl)piperidin-1-yl]methanone is given. What is its corresponding molecular formula?
user
C28H25Cl2N3O2S
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