Using COC(=O)c1cc(N=[N+]=[N-])cc(-c2ccc(C)cc2)c1, CCOC(=O)CC(=O)C(C)C to produce CCOC(=O)c1nnn(-c2cc(C(=O)OC)cc(-c3ccc(C)cc3)c2)c1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.