You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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3-[3-[[1-[(3-chlorophenyl)methyl]-3,5-dimethylpyrazol-4-yl]carbamoyl]pyrazol-1-yl]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
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C19H20ClN5O3
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