CC1=CN=CC1CN(C)C(=O)N1CCN(c2ccccc2N(O)O)CC1
CC1CNCC1CN(CC(=O)N1CCN(C)CC1)C(O)N1CCN(C2CCCCC2N([O])O)CC1
Active site ligands targetted. Compounds were grouped according to shared "popular" features by eye. Then attempted joining of compounds from different groups, or compounds with anchors in different/multiple pockets.