Using CCN1C(=O)OC(C)(C)c2cc(C)c(Br)cc21, O=Cc1ccc(OC(F)(F)F)c(B(O)O)c1 to produce CCN1C(=O)OC(C)(C)c2cc(C)c(-c3cc(C=O)ccc3OC(F)(F)F)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.