You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1-[(1S,5R)-3-(4-fluoro-3-methylphenyl)-8-azabicyclo[3.2.1]octan-8-yl]-3-(4-methyl-1,2,4-triazol-3-yl)propan-1-one ?
user
C20H25FN4O
assistant