You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2R)-2-amino-N-[[1-(2,3-dihydro-1H-inden-2-yl)piperidin-4-yl]methyl]-N-[3-(dimethylamino)propyl]propanamide by IUPAC nomenclature, provide its molecular formula.
user