Task: Answer the MCQ question.
Query: Which drug exhibits a 6.458\% 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] O=c1cccc2n1C[C@H]1C[C@@H]2CN2CCCC[C@@H]12
[b] Cc1cc(NC(=O)c2ccc(C)s2)n(-c2ccccc2)n1
[c] C=CCNc1oc(Cc2cccc3ccccc23)nc1C#N
Answer: a. O=c1cccc2n1C[C@H]1C[C@@H]2CN2CCCC[C@@H]12
{#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=c1cccc2n1C[C@H]1C[C@@H]2CN2CCCC[C@@H]12
O=c1cccc2n1C[C@H]1C[C@@H]2CN2CCCC[C@@H]12
(1R,9R,10S)-7,15-diazatetracyclo[7.7.1.02,7.010,15]heptadeca-2,4-dien-6-one