You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-4-[4-[2-[[5-methyl-4-(4-methylphenyl)-1,3-thiazol-2-yl]amino]-2-oxo-1-phenylethyl]sulfanylanilino]-4-oxobut-2-enoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H25N3O4S2
assistant