Using CC(C)(C)OC(=O)N1CC(NC(=O)CCS(C)(=O)=O)C(F)(F)C1 to produce CS(=O)(=O)CCC(=O)NC1CNCC1(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.