You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,2-difluoro-2-(1-hydroxycyclobutyl)-N-[1-(2,2,2-trifluoroethyl)pyrazol-3-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
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C11H12F5N3O2
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