Using O, COc1ccc(-n2cc(Br)c3cc(OC)cc(-c4cc(C(F)(F)F)ccc4C(=O)[O-])c3c2=O)cc1 to produce O=c1c2c(O)cc(O)cc2c(Br)cn1-c1ccc(O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.