You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(6-methylpyridin-2-yl)-9-[[(2S)-oxolan-2-yl]methyl]-5-thia-3,9,11,12-tetrazatricyclo[8.3.0.02,6]trideca-1(10),2(6),3,12-tetraen-4-amine is given. What is its corresponding molecular formula?
user
C19H22N6OS
assistant