O=C(Nc1cnnc2ccccc12)C1CCOc2ccc(Cl)cc21
O=C(Nc1nncc2ccccc12)C1CCOc2ccc(Cl)cc21
O=C(Nc1nnc(C(F)F)c2ccccc12)C1CCOc2ccc(Cl)cc21
O=C(Nc1c(F)nnc2ccccc12)C1CCOc2ccc(Cl)cc21
Cc1c(C(F)F)ncc(NC(=O)C2CCOc3ccc(Cl)cc32)c1Cl
O=C(Nc1cnc(C(F)F)c(Cl)c1Cl)C1CCOc2ccc(Cl)cc21
O=C(Nc1cnc(C(F)F)cc1Cl)C1CCOc2ccc(Cl)cc21
Cut down aryl group, change heterocycle