You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-methyl-N-(5-methyl-1H-1,2,4-triazol-3-yl)-2-oxo-1,3-benzoxazole-6-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C11H11N5O4S
assistant