Using CN1CCCC1=O, CCc1cc(CC)c(-c2c(S(C)=O)c(C(F)(F)F)nn(C)c2=O)c(CC)c1 to produce CCc1cc(CC)c(-c2c(O)c(C(F)(F)F)nn(C)c2=O)c(CC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.