Task: Answer the MCQ question.
Query: Which drug exhibits a 14.187\% 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(Cn1cnc2c(cnn2-c2ccc(Cl)cc2)c1=O)NCC1CCCO1
[b] Oc1[nH]c2ccccc2c1N=Nc1nncc2ccccc12
[c] COc1ccc2[nH]cc(CCNC(=O)Cc3ccc(Cl)cc3)c2c1
Answer: b. Oc1[nH]c2ccccc2c1N=Nc1nncc2ccccc12
{#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#}
Oc1[nH]c2ccccc2c1N=Nc1nncc2ccccc12
Oc1[nH]c2ccccc2c1N=Nc1nncc2ccccc12
3-(phthalazin-1-yldiazenyl)-1H-indol-2-ol