You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[4-(2,3-dihydro-1H-inden-2-yl)piperazin-1-yl]-N-(1-ethylindol-5-yl)-2-oxoacetamide .
user
C25H28N4O2
assistant