You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (5-chloro-2-methoxyphenyl)methyl-[2-(4-methoxycarbonyl-3,5-dimethyl-1H-pyrrol-2-yl)-2-oxoethyl]-methylazanium into molecular formula.
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C19H24ClN2O4+
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