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 (3aR,7aR)-2-[(2R)-2-[4-(difluoromethoxy)phenyl]-2-hydroxyethyl]-3a,4,5,6,7,7a-hexahydroisoindole-1,3-dione .
user
C17H19F2NO4
assistant