Using COC1CCC(/C=C2\CC(=O)C(c3c(C)cc(C)cc3C)C2=O)CC1 to produce COC1CCC(CC2CC(=O)C(c3c(C)cc(C)cc3C)C2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.