Using O=C1CCCN1CC1CCN(c2nc(C(F)(F)F)ncc2OCc2ccccc2)CC1 to produce O=C1CCCN1CC1CCN(c2nc(C(F)(F)F)ncc2O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.