You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-chloro-4-[7-(4,5-dihydro-1,3-oxazol-2-yl)-2,4-dioxo-1H-quinazolin-3-yl]phenyl]-3-(5-chlorothiophen-2-yl)sulfonylurea;1-[3-chloro-4-[7-[2-(dimethylamino)ethylamino]-2,4-dioxo-1H-quinazolin-3-yl]phenyl]-3-(5-chlorothiophen-2-yl)sulfonylurea;1-[3-chloro-4-[2,4-dioxo-7-(2-piperidin-1-ylethylamino)-1H-quinazolin-3-yl]phenyl]-3-(5-chlorothiophen-2-yl)sulfonylurea;1-[3-chloro-4-[2,4-dioxo-7-(2-pyrrolidin-1-ylethylamino)-1H-quinazolin-3-yl]phenyl]-3-(5-chlorothiophen-2-yl)sulfonylurea;1-[3-chloro-4-(2,4-dioxo-1,6,7,8-tetrahydropyrrolo[3,2-g]quinazolin-3-yl)phenyl]-3-(5-chlorothiophen-2-yl)sulfonylurea;1-[3-chloro-4-(2,4-dioxo-1,7,8,9-tetrahydropyrrolo[2,3-h]quinazolin-3-yl)phenyl]-3-(5-chlorothiophen-2-yl)sulfonylurea;1-[3-chloro-4-[7-(1-methyl-4,5-dihydroimidazol-2-yl)-2,4-dioxo-1H-quinazolin-3-yl]phenyl]-3-(5-chlorothiophen-2-yl)sulfonylurea;1-[3-chloro-4-[7-(2-morpholin-4-ylethylamino)-2,4-dioxo-1H-quinazolin-3-yl]phenyl]-3-(5-chlorothiophen-2-yl)sulfonylurea is the IUPAC name of a molecule. Please give its molecular formula.
user
C186H159Cl16N45O42S16
assistant