Using Cc1nc(-c2ccc(OCCCCl)cc2)sc1CO, O=C1CCCN1 to produce Cc1nc(-c2ccc(OCCCCl)cc2)sc1CN1CCCC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.