Using CC[C@]12CC[C@@H]3c4ccc(OC)cc4CC[C@H]3[C@@H]1CC[C@@]2(OC(C)=O)C(C)=O to produce CC[C@]12CC[C@H]3[C@@H](CCC4=CC(=O)CC[C@@H]43)[C@@H]1CC[C@@H]2C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.