Using CC(C)(C)NN, CCOC(=O)C(C)(C)C(=O)c1ccc(Cl)cc1 to produce CC(C)(C)N1N=C(c2ccc(Cl)cc2)CC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.