Using CN(Cc1cc(Br)n(S(=O)(=O)c2cccnc2)c1)C(=O)OC(C)(C)C, OB(O)c1ccncc1F to produce CN(Cc1cc(-c2ccncc2F)n(S(=O)(=O)c2cccnc2)c1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.