Task: Answer the MCQ question.
Query: Which compound exhibits a 28.035\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(NCc1cccs1)C(=O)NCC(c1ccco1)N1CCN(c2ccccc2)CC1
[b] COc1ccc(-c2nn(-c3ccccc3)cc2/C=C(\C#N)C(N)=O)cc1[N+](=O)[O-]
[c] Cc1ccc(C(N)=Nc2ccccc2)cc1
Answer: b. COc1ccc(-c2nn(-c3ccccc3)cc2/C=C(\C#N)C(N)=O)cc1[N+](=O)[O-]
{#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#}
(E)-2-cyano-3-[3-(4-methoxy-3-nitrophenyl)-1-phenylpyrazol-4-yl]prop-2-enamide