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 6-[5-(difluoromethoxy)-2-fluorophenyl]-4-[3-(trifluoromethyl)phenyl]sulfonyl-2,3-dihydro-1,4-benzoxazine .
user
C22H15F6NO4S
assistant