Using COc1cc(C(=O)Cl)cc(OC)c1OC, OC1CCN(CCc2c[nH]c3ccccc23)C1 to produce COc1cc(C(=O)OC2CCN(CCc3c[nH]c4ccccc34)C2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.