You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-amino-N-[(3R)-1-[[8-chloro-3-[(5-chloro-2-ethylsulfinylphenyl)methyl]-2,4-dioxo-6-(trifluoromethyl)-1H-quinazolin-7-yl]methyl]piperidin-3-yl]butanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H32Cl2F3N5O4S
assistant