Using COC(=O)c1ccc2c(c1)C(=O)CCC2(C)C, Sc1ccccc1 to produce COC(=O)c1ccc2c(c1)C(Sc1ccccc1)=CCC2(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.