Task: Answer the MCQ question.
Query: Which drug has a 8.911\% 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] CC1CCC(NC(=O)CC2Oc3ccccc3NC2=O)CC1
[b] C=CCn1c(O)c(N=O)c2cc(C)ccc21
[c] S=c1[nH]nc(Cn2cnc3ccccc32)n1-c1ccccc1
Answer: b. C=CCn1c(O)c(N=O)c2cc(C)ccc21
{#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=CCn1c(O)c(N=O)c2cc(C)ccc21
C=CCn1c(O)c(N=O)c2cc(C)ccc21
5-methyl-3-nitroso-1-prop-2-enylindol-2-ol