Using O=[N+]([O-])c1ccccc1-c1cn2c(Cn3cncn3)csc2n1 to produce Nc1ccccc1-c1cn2c(Cn3cncn3)csc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.