You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[4-(5-butylthiophen-2-yl)piperidin-1-yl]sulfinyl-1-(2-methoxyethyl)piperidine-4-carboxamide into its molecular formula.
user
C22H37N3O3S2
assistant