Using ClCCN1CCOCC1, COc1ccc2ccc(-n3nc(O)cc3C)cc2c1 to produce COc1ccc2ccc(-n3nc(OCCN4CCOCC4)cc3C)cc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.