Task: Answer the MCQ question.
Query: Which drug exhibits a 10.039\% 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=C(c1ccc(S(=O)(=O)N2CCOCC2)cc1)N1CCN(S(=O)(=O)c2ccc(Cl)s2)CC1
[b] Nc1ccncc1Cl
[c] COc1ccc(CN(N=O)C2CC(=O)N(c3ccc(OC)cc3)C2=O)cc1
Answer: b. Nc1ccncc1Cl
{#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#}
Nc1ccncc1Cl
Nc1ccncc1Cl
3-chloropyridin-4-amine