Using CCCCOC(=O)CCc1ccc(N)cc1, ClCCN(CCCl)c1ccc(Cl)cc1 to produce CCCCOC(=O)CCc1ccc(N2CCN(c3ccc(Cl)cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.