Using COc1ccc2cc(Br)ccc2c1CN1C(=O)[C@@H](NC(=O)OC(C)(C)C)COc2ccccc21 to produce COc1ccc2cc(Br)ccc2c1CN1C(=O)[C@@H](N)COc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.