You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,3R)-2,2-dichloro-N-[3-[2-[5-(3,3-difluoro-2-oxopropyl)-2,4-difluorophenyl]acetyl]-4,5-difluorophenyl]-3-(3,4,5-trichlorophenyl)cyclopropane-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H14Cl5F6NO3
assistant