Using CCOC(=O)[C@H](Cc1ccc(OCCCc2ccc(NC(=O)OC(C)(C)C)cc2)cc1)OCC to produce CCO[C@@H](Cc1ccc(OCCCc2ccc(NC(=O)OC(C)(C)C)cc2)cc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.