Using COC(=O)c1c(C(F)F)nc(C(F)(F)F)c(S)c1CC(C)C, CC(C)(C)c1ccc(S)cc1 to produce COC(=O)c1c(C(F)F)nc(C(F)(F)F)c(SSc2ccc(C(C)(C)C)cc2)c1CC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.