Using O=C(Cc1ccc(-n2cnnn2)cc1)N1CCNCC1, Cc1cc2c(cc1CC=O)COC2=O to produce Cc1cc2c(cc1CCN1CCN(C(=O)Cc3ccc(-n4cnnn4)cc3)CC1)COC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.