You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-(2-benzyl-1,3-thiazol-4-yl)-2-methyl-4-(1-oxo-1-phenylpropan-2-yl)-1,4-benzoxazin-3-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H24N2O3S
assistant