O=C(NCC1COc2ccccc2O1)c1cc(=O)[nH]c2ccccc12
COc1ccc(Cl)cc1OCCNC(=O)c1cncc2ccccc12
O=C(c1cncc2ccccc12)N1CCN(c2cccc(Cl)c2)CC1
CC1CN(C(=O)c2cc(=O)[nH]c3ccccc23)CCN1c1cccc(Cl)c1
Simple explorations of quinolone structures trying to pick up some potency, building off ideas in ERI-UCB-d6de1f3c