Using CCS(=O)(=O)c1nc(C(C#N)C(=O)c2ccccc2F)ccc1N to produce CC(C)Nc1nc2ccc(C(C#N)C(=O)c3ccccc3F)nc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.