You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 2,2,3,3,4,5,5,6,6-nonadeuterio-1-[3-(2-methylsulfonylphenothiazin-10-yl)propyl]piperidine-4-carboxamide ?
user
C22H27N3O3S2
assistant