Using CO[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(=O)C=C[C@]4(C)[C@H]3CC[C@]12C, C=[N+]=[N-] to produce CO[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(=O)[C@@H]5C[C@@H]5[C@]4(C)[C@H]3CC[C@]12C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.