Using N#Cc1ccc2sc3ncccc3c(=O)c2c1, [N-]=[N+]=[N-] to produce O=c1c2cc(-c3nnn[nH]3)ccc2sc2ncccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.