Using Oc1ccccc1, COC(=O)N1CCN(C(=O)OC(C)(C)C)C(CCO)C1 to produce COC(=O)N1CCN(C(=O)OC(C)(C)C)C(CCOc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.