Using O=S(=O)(c1ccc2c(c1)CCN2)N1CCN(c2ccc(C(F)(F)F)cc2)CC1 to produce O=S(=O)(c1ccc2[nH]ccc2c1)N1CCN(c2ccc(C(F)(F)F)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.