Using CC(C)(C)OC(=O)N[C@@H](CCCNC(=O)OCc1ccccc1)C(=O)N[C@@H](CO)c1ccccc1 to produce N[C@@H](CCCNC(=O)OCc1ccccc1)C(=O)N[C@@H](CO)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.