Using CCC1c2cc(C)c3[nH]c(=O)c(C)cc3c2OC1CN=[N+]=[N-] to produce CCC1c2cc(C)c3[nH]c(=O)c(C)cc3c2OC1CN, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.