You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[[4-[2-(aminomethyl)-3,3-difluoroprop-2-enyl]-5-oxotetrazol-1-yl]-[3-(1-ethylpyrazol-4-yl)phenyl]methyl] 2,2,2-trifluoroacetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H18F5N7O3
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