Using O=S(=O)(c1ccccc1)n1cc(-c2ccoc2)c2cc(-c3nnc[nH]3)cnc21 to produce c1nnc(-c2cnc3[nH]cc(-c4ccoc4)c3c2)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.