Using Cc1c(C)c2c(c(C)c1O)C(=O)CC1(CCC1)S2, CON to produce CON=C1CC2(CCC2)Sc2c(C)c(C)c(O)c(C)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.