You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule methyl (2R)-2-[[2-[4-chloro-3-(trifluoromethyl)anilino]-2-oxoethyl]amino]-3-(4-hydroxyphenyl)propanoate into molecular formula.
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C19H18ClF3N2O4
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