You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[[(1S)-1-cyano-1-cyclopropylethyl]amino]-2-oxoethyl]-[(2-fluorophenyl)methyl]-methylazanium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H21FN3O+
assistant