Using Nc1ncc(-c2cn[nH]c2)cc1-c1nc2ccccc2o1, ClCCN1CCOCC1 to produce Nc1ncc(-c2cnn(CCN3CCOCC3)c2)cc1-c1nc2ccccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.