Using CC1=C(c2ccc(C(=O)N3Cc4cccn4Cc4ccccc43)cc2C)CCCC1N=[N+]=[N-] to produce CC1=C(c2ccc(C(=O)N3Cc4cccn4Cc4ccccc43)cc2C)CCCC1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.