You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 4-methyl-2-[[2-(3-oxo-4H-1,4-benzoxazin-2-yl)acetyl]amino]-1,3-thiazole-5-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H15N3O5S
assistant