You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(2-fluorophenyl)-7-[[4-(1,1,1-trifluoro-2-hydroxybutan-2-yl)triazol-1-yl]methyl]chromen-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H17F4N3O3
assistant