Using CCOC(=O)C[C@@H]1CCCN1C(=O)[C@H](C)NC(=O)OC(C)(C)C to produce CCOC(=O)C[C@@H]1CCCN1C(=O)[C@H](C)N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.