Using CCCCC1CC(=O)C(C)=C2c3ccc(OC)c(C)c3CC21 to produce CCCCC1CC(=O)C(C)=C2c3ccc(O)c(C)c3CC21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.