You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the SMILES notation for 5-[3-(dimethylamino)propyl-methylamino]-4-(9H-fluoren-9-ylmethoxycarbonylamino)-5-oxopentanoic acid ?
user
CN(C)CCCN(C)C(=O)C(CCC(=O)O)NC(=O)OCC1C2=CC=CC=C2C2=CC=CC=C21
assistant