O=C(Cc1cccc(Cl)c1)NC1CCNC1=O
O=C1CC(NC(=O)Cc2cccc(Cl)c2)CN1
O=C1CC(NC(=O)C2CCOc3ccc(Cl)cc32)CN1
O=C1NCCC1NC(=O)C1CCOc2ccc(Cl)cc21
Butyrolactone unit appears in several literature compounds (and it appears to bind to aminopyridine/aminotriazole pocket), so maybe it's worth giving it a shot?