Using FCCBr, CCCc1nc(C)n(-c2ccc(O)cc2)c(=O)c1Cc1ccc(-c2ccccc2C#N)cc1 to produce CCCc1nc(C)n(-c2ccc(OCCF)cc2)c(=O)c1Cc1ccc(-c2ccccc2C#N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.