You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-1-[(10-methyl-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9,11-tetraen-12-yl)sulfanyl]-3-[[(2R)-oxolan-2-yl]methoxy]propan-2-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H24N2O3S2
assistant