Using C[C@@H]1CC2=CC(=O)C[C@H](C)[C@]2(C)[C@H]2CC[C@]3(C)C(=O)CC[C@H]3[C@H]12 to produce CC1=CC(=O)C=C2C[C@@H](C)[C@@H]3[C@H](CC[C@]4(C)C(=O)CC[C@@H]34)[C@@]12C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.