Using O=Cc1cnccc1NCc1ccccc1, CCCCN1Cc2cc(N)ccc2C1=O to produce CCCCN1Cc2cc(NCc3cnccc3NCc3ccccc3)ccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.