Using CCOC(=O)C(F)(F)F, CC(C)(CN)Cc1cccc(Br)c1 to produce CC(C)(CNC(=O)C(F)(F)F)Cc1cccc(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.