Using CON(C)C(=O)c1nn(-c2cccc(C(F)(F)F)c2)ccc1=O, CC[Mg+] to produce CCC(=O)c1nn(-c2cccc(C(F)(F)F)c2)ccc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.