You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 13lambda6-thia-4,14-diazatetracyclo[6.6.1.02,6.012,15]pentadeca-1(15),2(6),7,9,11-pentaene 13,13-dioxide .
user
C12H10N2O2S
assistant