Using O=Cc1cc(Cl)ccc1O, O=CN1CCN(S(=O)(=O)CCl)CC1 to produce O=CN1CCN(S(=O)(=O)c2cc3cc(Cl)ccc3o2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.