Using Cc1ccc(F)c(C(=O)Nc2c[nH]c3ncc(Br)c(N4CCC[C@@H](NC(=O)OC(C)(C)C)C4)c23)c1 to produce Cc1ccc(F)c(C(=O)Nc2c[nH]c3ncc(Br)c(N4CCC[C@@H](N)C4)c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.