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 (3S)-2-phenyl-3-propan-2-yloxy-4-pyrrolidin-1-ium-1-yl-3-sulfanylidene-6,7-dihydro-5H-1,2,3lambda5-benzodiazaphosphole .
user
C19H27N3OPS+
assistant