Using Nc1cnc2ccccc2c1, CCCCCn1ccc2cc(C(=O)O)ccc21 to produce CCCCCn1ccc2cc(C(=O)Nc3cnc4ccccc4c3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.