You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,3R)-3-(2-fluorophenyl)-5',6,6-trimethyl-2'-phenylspiro[5,7-dihydro-3H-1-benzofuran-2,4'-pyrazole]-3',4-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H23FN2O3
assistant