You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(1R)-1-(2-methoxyphenyl)-2-[4-(1-methylpiperidin-4-yl)piperidin-1-yl]-2-oxoethyl] N-(4-chlorophenyl)carbamate into molecular formula.
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C27H34ClN3O4
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