Using CCOC(=O)COC(CCN(C)C(=O)OC(C)(C)C)c1cc(Cl)ccc1C to produce Cc1ccc(Cl)cc1C(CCN(C)C(=O)OC(C)(C)C)OCCO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.