Task: Answer the multiple choice question.
Question: Which drug has a 13.093\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1cc(=O)oc(C)c1C(=O)Nc1cccc(F)c1
[b] COc1cc2[nH]c3c(N4CCN(c5ccccn5)CC4)ncnc3c2cc1OC
Answer: b. COc1cc2[nH]c3c(N4CCN(c5ccccn5)CC4)ncnc3c2cc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cc2[nH]c3c(N4CCN(c5ccccn5)CC4)ncnc3c2cc1OC
COc1cc2[nH]c3c(N4CCN(c5ccccn5)CC4)ncnc3c2cc1OC
7,8-dimethoxy-4-(4-pyridin-2-ylpiperazin-1-yl)-5H-pyrimido[5,4-b]indole