Using CC1=C(C(=O)OCOC(=O)C(C)(C)C)N2C(=O)C(N)[C@H]2SC1, [N-]=[N+]=NCCCC1CCN(C=O)CC1 to produce CC1=C(C(=O)OCOC(=O)C(C)(C)C)N2C(=O)C(N=CN3CCC(CCCN=[N+]=[N-])CC3)[C@H]2SC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.