Using C=CCBr, O=C(CNC(=O)c1cccc(C(F)(F)F)c1)N[C@H]1CN(C2CCOCC2)C[C@@H]1O to produce C=CCO[C@H]1CN(C2CCOCC2)C[C@@H]1NC(=O)CNC(=O)c1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.