Problem statement: Answer the multiple choice question.
Question: Which drug has a 16.846\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] C=CCNC(=O)c1cc(Cl)ccc1[N+](=O)[O-]
[b] COc1cc(C(=O)Nc2cccc(-c3nc4cc(C)ccc4o3)c2)cc(OC)c1OC
Answer: a. C=CCNC(=O)c1cc(Cl)ccc1[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#}
C=CCNC(=O)c1cc(Cl)ccc1[N+](=O)[O-]
C=CCNC(=O)c1cc(Cl)ccc1[N+](=O)[O-]
5-chloro-2-nitro-N-prop-2-enylbenzamide