You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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1-[4-(4,5-dihydro-1H-pyrazol-3-yl)phenyl]-3-methylurea;2,2,2-trifluoroacetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H15F3N4O3
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