You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(3-cyano-5-fluorophenyl)-2-methyl-N-[(6R)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-6-yl]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18FN5O
assistant