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-[2-(aminomethyl)-5-(2-fluorophenyl)-2-phenyl-1,3,4-oxadiazol-3-yl]-2,2-dimethylpropan-1-one ?
user
C20H22FN3O2
assistant