Using OC1CCNCC1, CS(=O)(=O)Nc1ccc(Oc2ccc(C=O)cc2)cc1 to produce CS(=O)(=O)Nc1ccc(Oc2ccc(CN3CCC(O)CC3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.