Using O=S(=O)(CC(O)CCc1ncccn1)N1CCN(c2ccc(OCC(F)(F)F)cn2)CC1 to produce O=S(=O)(/C=C/CCc1ncccn1)N1CCN(c2ccc(OCC(F)(F)F)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.