Using Clc1cc2nc(-c3cccc4c3OCCN4)[nH]c2cc1Cl, ClCCN1CCOCC1 to produce Clc1cc2nc(-c3cccc4c3OCCN4CCN3CCOCC3)[nH]c2cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.