Using COC(=O)c1cccc2c1NC(c1cccc(Br)c1)CC2(C)C, CC(C)(N)C(=O)O to produce CC(C)(Nc1cccc(C2CC(C)(C)c3cccc(C(=O)O)c3N2)c1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.