You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(diethylamino)-N-[3-methyl-2-(naphthalen-1-ylmethyl)-2-(2-piperidin-1-ylethyl)butyl]acetamide;dihydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H47Cl2N3O
assistant