Using FCCBr, COc1cc(N(C)C(=O)OC(C)(C)C)ccc1-c1ccc2nonc2c1 to produce COc1cc(N(C)C(=O)OC(C)(C)C)ccc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.