Using Nc1nnn[nH]1, O=C(O)c1ccc2nc3ccsc3c(=O)n2c1 to produce O=C(Nc1nnn[nH]1)c1ccc2nc3ccsc3c(=O)n2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.