Task: Answer the MCQ question.
Question: Which drug has a 6.439\% 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. Oc1ccc(/C=N/Nc2ccc(Cl)nn2)cc1O
b. CN(C)S(=O)(=O)c1cccc(NC(=O)c2cc(=O)[nH]c3ccccc23)c1
c. COc1ccc([C@H]2CC(=O)C=C(c3cc(Cl)cc(Cl)c3)C2)cc1
Answer: a. Oc1ccc(/C=N/Nc2ccc(Cl)nn2)cc1O
{#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#}
Oc1ccc(/C=N/Nc2ccc(Cl)nn2)cc1O
Oc1ccc(/C=N/Nc2ccc(Cl)nn2)cc1O
4-[(E)-[(6-chloropyridazin-3-yl)hydrazinylidene]methyl]benzene-1,2-diol