Using CN1CCc2cc(C(=O)N3CC[C@@H](NC(=O)OC(C)(C)C)C3)ccc2C1 to produce CN1CCc2cc(C(=O)N3CC[C@@H](N)C3)ccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.