You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-(2-chlorophenyl)-N-[5-(2-fluorophenyl)-1H-pyrazol-4-yl]-2-hydroxyacetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H13ClFN3O2
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