Using CC(C)(C)OC(=O)N[C@H](CCC(Cc1ccc(OCc2ccccc2)cc1)(C(=O)OCc1ccccc1)C(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N[C@H](CCC(Cc1ccc(O)cc1)(C(=O)O)C(=O)OC(C)(C)C)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.