You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (2S)-2-benzamido-3,3,3-trifluoro-2-[(5-methyl-2-phenylpyrazol-3-yl)amino]propanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H19F3N4O3
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