Using COc1ccc(COCC[C@H](NC(=O)OC(C)(C)C)C(=O)N[C@@H](CO)[C@@H](O)[C@@H](O)[C@H](O)C(=O)N[C@@H](CC(=O)OC(c2ccccc2)c2ccccc2)c2ccccc2)cc1 to produce N[C@@H](CCO)C(=O)N[C@@H](CO)[C@@H](O)[C@@H](O)[C@H](O)C(=O)N[C@@H](CC(=O)O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.