You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[4-[bis(2-aminoethyl)amino]-6-[(3R,5S)-3,5-diaminopiperidin-1-yl]-1,3,5-triazin-2-yl]amino]fluoren-9-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H32N10O
assistant