Using Fc1cccc([Mg]Br)c1, CON(C)C(=O)C1CN(C(=O)OC(C)(C)C)C1 to produce CC(C)(C)OC(=O)N1CC(C(=O)c2cccc(F)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.