Using COc1ccc(CCN2CCOC(c3csc(C(F)(F)F)n3)C2)cc1, COC(=O)CBr to produce COC(=O)COc1ccc(CCN2CCOC(c3csc(C(F)(F)F)n3)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.