You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2-amino-1-cyclopropylethyl)-1-butyl-2-(2-methoxyphenyl)-6-oxopiperidine-3-carboxamide;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H34ClN3O3
assistant