Using c1ccc2nc(C3CCNCC3)cnc2c1, ClCCCCn1nnc2ccccc21 to produce c1ccc2nc(C3CCN(CCCCn4nnc5ccccc54)CC3)cnc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.