Using OC1CCN(c2ccncc2)CC1, COC(=O)COc1ccc(O)cc1 to produce COC(=O)COc1ccc(OC2CCN(c3ccncc3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.