Using COC1CCC(=O)CC1, [N-]=[N+]=Nc1ccc(C=O)cc1 to produce COC1CC(=Cc2ccc(N=[N+]=[N-])cc2)C(=O)C(=Cc2ccc(N=[N+]=[N-])cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.