Using C[Mg]Br, CON(C)C(=O)c1sc(NC(=O)c2ccncc2)nc1-c1ccco1 to produce CC(=O)c1sc(NC(=O)c2ccncc2)nc1-c1ccco1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.