Using Cc1c(Cl)c(C=O)c(C)c2c1CC(C)(C)C2, CC(C)=O to produce CC(=O)C=Cc1c(C)c2c(c(C)c1Cl)CC(C)(C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.