You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(4S,5R)-4-(4-methoxyphenyl)-6-methylidene-2-sulfanylidene-1,3-diazinan-5-yl]-morpholin-4-ylmethanone .
user
C17H21N3O3S
assistant