You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-fluoro-N-[2-[(3R)-5-(3-methoxyphenyl)-3-phenyl-3,4-dihydropyrazol-2-yl]-2-oxoethyl]-N-methylbenzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H24FN3O3
assistant