You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-(5-ethyl-12,12-dimethyl-3-oxo-11-oxa-8-thia-4,6-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),5-trien-4-yl)acetamide using the IUPAC nomenclature.
user
C15H19N3O3S
assistant