Using CN(C)C(=O)NC(=O)C(C)(C)Br, CC(=O)OCC1=C(C(=O)[O-])N2C(=O)[C@@H](NC(=O)/C(=N\O)c3ccco3)[C@H]2SC1 to produce CC(=O)OCC1=C(C(=O)O)N2C(=O)[C@@H](NC(=O)/C(=N\OC(C)(C)C(=O)NC(=O)N(C)C)c3ccco3)[C@H]2SC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.