Using Nc1cc(Cl)cnc1N, O=Cc1ccc(OCCN2CCCCC2)cc1 to produce Clc1cnc2[nH]c(-c3ccc(OCCN4CCCCC4)cc3)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.