You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (1R,5S)-6-(cyclopropylmethyl)-3-(2,3-difluoro-4-methoxybenzoyl)-3,6-diazabicyclo[3.2.2]nonan-7-one .
user
C19H22F2N2O3
assistant