Task: Answer the MCQ question.
Question: Which compound has a 4.304% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=C(Oc1ccc(Br)cc1)c1cccnc1
b CCc1ccc(C(=O)C(C)OC(=O)c2cccc(S(=O)(=O)N3CCOCC3)c2)cc1
c CC(=O)N/C(=N\c1nc(C)cc(C)n1)Nc1ccc2ccccc2c1
d CCCCN(C)C(=O)C1CCN(C/C(C)=C/c2ccccc2)CC1.O=C(O)C(=O)O
Answer: a. O=C(Oc1ccc(Br)cc1)c1cccnc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Oc1ccc(Br)cc1)c1cccnc1
O=C(Oc1ccc(Br)cc1)c1cccnc1
(4-bromophenyl)pyridine-3-carboxylate