You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
11-(2-chloroethyl)-2lambda6-thia-1,3-diazatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-triene 2,2-dioxide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C11H13ClN2O2S
assistant