Using CCOC(=O)c1ccc(-c2ccc(OC[C@@H](C)NC(=O)OC(C)(C)C)cc2)cc1 to produce CCOC(=O)c1ccc(-c2ccc(OC[C@@H](C)N)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.