Task: Answer the multiple choice question.
Question: Which drug has a -2.235\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1ccccc1C(=O)Oc1ccc2ccc(O)cc2c1
b. CC/C(=C\C(=O)c1ccncc1)Nc1ccc(Br)cc1
c. Cc1ccccc1C(=O)Nc1nc(SCc2ccc(Cl)cc2)n[nH]1
Answer: b. CC/C(=C\C(=O)c1ccncc1)Nc1ccc(Br)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#}
CC/C(=C\C(=O)c1ccncc1)Nc1ccc(Br)cc1
CC/C(=C\C(=O)c1ccncc1)Nc1ccc(Br)cc1
(E)-3-(4-bromoanilino)-1-pyridin-4-ylpent-2-en-1-one