Using CN(C)C=O, O=C(Nc1ccc(C(F)(F)F)nc1)c1nn(C2CCCCO2)c2ccc(Br)cc12 to produce O=C(Nc1ccc(C(F)(F)F)nc1)c1nn(C2CCCCO2)c2ccc(-c3cncc(F)c3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.