You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[3-[4-(dimethylamino)piperidin-1-yl]cyclohexyl]-3-[2-[3-(trifluoromethyl)phenyl]sulfonyl-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazin-1-yl]butanamide into its molecular formula.
user