Task: Answer the MCQ question.
Question: Which drug has a 8.018\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C(Oc1c(Cl)cc(Cl)c2cccnc12)c1cccs1
b CCNc1ccc(N=Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc1
c COc1ccc(OCC(O)CNc2ccc(Br)cc2)cc1
Answer: a. O=C(Oc1c(Cl)cc(Cl)c2cccnc12)c1cccs1
{#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#}
O=C(Oc1c(Cl)cc(Cl)c2cccnc12)c1cccs1
O=C(Oc1c(Cl)cc(Cl)c2cccnc12)c1cccs1
(5,7-dichloroquinolin-8-yl)thiophene-2-carboxylate