You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[2-(3-thia-1,7-diazatricyclo[7.3.0.02,6]dodeca-2(6),4,8,10-tetraen-7-yloxy)ethyl]morpholine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H19N3O2S
assistant