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 [2-[(4-chlorophenyl)methyl-methylamino]-2-oxoethyl] (E)-3-(4-methylsulfanylphenyl)prop-2-enoate is given. What is its corresponding molecular formula?
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C20H20ClNO3S
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