O=C1C[C@H](N2CC(C(=O)Nc3cncc4ccccc34)c3cc(Cl)ccc3C2=O)CN1
O=C1C[C@@H](N2CC(C(=O)Nc3cncc4ccccc34)c3cc(Cl)ccc3C2=O)CN1
O=C(Nc1cncc2ccccc12)C1CN([C@@H]2CCNC2=O)C(=O)c2ccc(Cl)cc21
O=C(Nc1cncc2ccccc12)C1CN([C@H]2CCNC2=O)C(=O)c2ccc(Cl)cc21
As discussed in a design meeting.