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-(3,4-dihydro-1H-isoquinolin-2-yl)-2-oxoethyl] 2-(2,5-dichlorophenyl)sulfanylacetate is given. What is its corresponding molecular formula?
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C19H17Cl2NO3S
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