You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N'-[1-(3-methylphenyl)ethyl]-N-[3-(trifluoromethyl)-2,3-dihydro-1H-pyrazol-5-yl]methanediamine into molecular formula.
user
C14H19F3N4
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