O=C(CCl)N1CCN(C(c2ccccc2)c2cc(Cl)cc(Cl)c2)CC1
COc1cccc(C(c2cc(Cl)cc(Cl)c2)N2CCN(C(=O)CCl)CC2)c1
O=C(CCl)N1CCN(C(c2cc(Cl)cc(Cl)c2)C2CCCCC2)CC1
O=C(CCl)N1CCN(C(c2cccc(F)c2)c2cc(Cl)cc(Cl)c2)CC1
COc1ccc(C(c2cc(Cl)cc(Cl)c2)N2CCN(C(=O)CCl)CC2)cc1
Merging active fragments in order to have an additive effect and improve activity