Using Cn1c(C(F)(F)F)cc(=O)n(-c2cc(O)c(Br)cc2F)c1=O, O=C([O-])[O-] to produce COc1cc(-n2c(=O)cc(C(F)(F)F)n(C)c2=O)c(F)cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.