Using C[C@@]12C(=CC(=O)[C@H]3C[C@H]31)CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]12 to produce C[C@@H]1CC(=O)C=C2CC[C@@H]3[C@H](CC[C@]4(C)C(=O)CC[C@@H]34)[C@]21C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.