You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(2-fluorophenyl)ethyl N-[3-methyl-5-[4-(2H-tetrazol-5-yl)phenyl]-1,2-oxazol-4-yl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H17FN6O3
assistant