Using O=C1OCCC1Br, CS(=O)(=O)c1ccc(C(=O)c2ccc(F)cc2)cc1 to produce CS(=O)(=O)c1ccc(C(O)(c2ccc(F)cc2)C2CCOC2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.