Using OB(O)c1ccsc1, Nc1ncc(-c2ccc(=O)[nH]c2)c(-c2ccco2)n1 to produce Nc1ncc(-c2ccc(=O)n(-c3ccsc3)c2)c(-c2ccco2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.