Using CSc1ncnn2cc(OCC(C)O)c(C)c12, [N-]=[N+]=NP(=O)(c1ccccc1)c1ccccc1 to produce CSc1ncnn2cc(OCC(C)N=[N+]=[N-])c(C)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.