Using C1=COCCC1, CON(C)C(=O)c1n[nH]c2ncc(Br)cc12 to produce CON(C)C(=O)c1nn(C2CCCCO2)c2ncc(Br)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.