You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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1-[3-[[1-[(1-ethyl-5-methylpyrazol-4-yl)methyl]-3,5-dimethylpyrazol-4-yl]amino]-3-oxopropyl]pyrazole-4-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H25N7O3
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