Using OC[C@@H]1Cc2c([nH]c3ccccc23)CN1, S=C=S to produce OC[C@@H]1Cc2c([nH]c3ccccc23)CN1C(=S)[S-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.