COc1ccc2c(C(=O)NNc3nc4ccccc4[nH]3)cc(=O)[nH]c2c1
O=C(NNc1nc2ccccc2[nH]1)c1cc(=O)[nH]c2cc(F)ccc12
O=C(NNc1nc2ccccc2[nH]1)c1cc(=O)[nH]c2ccc(F)cc12
O=C(NNc1nc2ccccc2o1)c1cc(=O)[nH]c2ccccc12
Cn1c(NNC(=O)c2cc(=O)[nH]c3ccccc23)nc2ccccc21
O=C(NNc1nc2cc(F)c(F)cc2[nH]1)c1cc(=O)[nH]c2ccccc12
O=C(NCc1nc2ccccc2[nH]1)c1cc(=O)[nH]c2ccccc12
O=C(NNc1nc2ccccc2s1)c1cc(=O)[nH]c2ccccc12
Hit expansion on William's fragment-merge