You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2-methoxypyrimidin-5-yl)-11-oxo-1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-triene-6-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H16N4O4S
assistant