Using NCCC(c1ccccc1)c1ccccc1, Clc1nc2ccccc2[nH]1 to produce c1ccc(C(CCNc2nc3ccccc3[nH]2)c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.