You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-amino-1-[4-[2-[4-(2,3-dihydro-1H-inden-4-yl)piperazin-1-yl]ethyl]piperidin-1-yl]butan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H38N4O
assistant