You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[7-[4-[(5-chloro-2-phenylphenyl)methyl]piperazin-1-yl]quinazolin-4-yl]-4-[[4-(diethylamino)-1-phenylsulfanylbutan-2-yl]amino]-3-(trifluoromethyl)benzenesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C46H49ClF3N7O2S2
assistant