Task: Answer the MCQ question.
Question: Which drug has a 18.843% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(CN(C(=O)CCC(=O)Nc1nccs1)c1ccc(F)cc1)NCc1ccco1
[b] Cc1ccc2[nH]c3nc(SCC#N)nnc3c2c1
Answer: b. Cc1ccc2[nH]c3nc(SCC#N)nnc3c2c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1ccc2[nH]c3nc(SCC#N)nnc3c2c1
Cc1ccc2[nH]c3nc(SCC#N)nnc3c2c1
2-[(8-methyl-5H-[1,2,4]triazino[5,6-b]indol-3-yl)sulfanyl]acetonitrile