You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(1,1-dioxothiolan-3-yl)-5-methylpyrazol-3-yl]-3-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H20FN5O4S
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