Using C=CCNC(=O)C(F)(F)F, Brc1cccc(OCC2CCOCC2)c1 to produce O=C(NC/C=C/c1cccc(OCC2CCOCC2)c1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.