You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1-[(3R,4R)-3-(azepan-1-ylmethyl)-4-(hydroxymethyl)pyrrolidin-1-yl]-2-(3,4-dimethylphenoxy)ethanone ?
user
C22H34N2O3
assistant