Task: Answer the multiple choice question.
Query: Which compound has a 12.268\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: Cc1ccc(Nc2nc(CSc3nnc(-c4ccncc4)n3C)cs2)cc1
b: O=C(Oc1ccc2cc(Br)ccc2c1)c1cccnc1
c: COC(=O)COc1cccc(NC(=O)c2ccccc2)c1
d: COc1ccc(C(=O)OCC(=O)NCCCc2ccccc2)cc1[N+](=O)[O-]
Answer: b. O=C(Oc1ccc2cc(Br)ccc2c1)c1cccnc1
{#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(Oc1ccc2cc(Br)ccc2c1)c1cccnc1
O=C(Oc1ccc2cc(Br)ccc2c1)c1cccnc1
(6-bromonaphthalen-2-yl)pyridine-3-carboxylate