Using O=S(=O)(c1ccccc1)N(F)S(=O)(=O)c1ccccc1, COCCn1c(-c2ccc(C(C)C)cc2)nc2cc(Br)cc(OC)c21 to produce COCCn1c(-c2ccc(C(C)C)cc2)nc2cc(F)cc(OC)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.