Using NC(=O)C=Cc1ccc(C(F)(F)F)cc1, CCOC(=O)C(=O)CBr to produce CCOC(=O)c1coc(C=Cc2ccc(C(F)(F)F)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.