You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[(E)-1-(2-hydroxy-5-methoxyphenyl)ethylideneamino]-3-(3-morpholin-4-ium-4-ylpropyl)thiourea by IUPAC nomenclature, provide its molecular formula.
user
C17H27N4O3S+
assistant