Task: Answer the multiple choice question.
Query: Which compound has a 8.912\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1ccc(Oc2ncnc3sccc23)cc1
[b] OC(COCc1cccs1)CN1CCN(c2cccc(C(F)(F)F)c2)CC1
Answer: a. Cc1ccc(Oc2ncnc3sccc23)cc1
{#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#}
Cc1ccc(Oc2ncnc3sccc23)cc1
Cc1ccc(Oc2ncnc3sccc23)cc1
4-(4-methylphenoxy)thieno[2,3-d]pyrimidine