Using BrCc1ccccc1, CCOC(=O)Cc1csc(-c2cnn(C(C)(C)C)c2-c2ccc(F)cc2)n1 to produce CCOC(=O)C(Cc1ccccc1)c1csc(-c2cnn(C(C)(C)C)c2-c2ccc(F)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.