Using CC(=O)Nc1c2c(nn1-c1c(Cl)cc(C(F)(F)F)cc1Cl)CSC2, O=C(OO)c1cccc(Cl)c1 to produce CC(=O)Nc1c2c(nn1-c1c(Cl)cc(C(F)(F)F)cc1Cl)CS(=O)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.