Using Nc1nc(-c2ccc(Cl)cc2)cs1, O=C(O)CCc1cnoc1-c1ccccc1 to produce O=C(CCc1cnoc1-c1ccccc1)Nc1nc(-c2ccc(Cl)cc2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.