Using O=S(Cl)Cl, CN1C(=O)CCc2nc(-c3cncc(CO)c3)ccc21 to produce CN1C(=O)CCc2nc(-c3cncc(CCl)c3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.