You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[(11-hexyl-12-oxo-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-10-yl)sulfanyl]-N-prop-2-enylacetamide into its molecular formula.
user
C20H27N3O2S2
assistant