Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 15.793\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)[C@H](C)n3cc(CCC[NH+]=C(N)N)nn3)CC2)nc(N2CCN(C(=O)[C@H](C)n3cc(CCC[NH+]=C(N)N)nn3)CC2)n1.[Cl-]
b) COCc1[nH]c(=S)[nH]c(=O)c1C
Answer: b. COCc1[nH]c(=S)[nH]c(=O)c1C
{#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#}
COCc1[nH]c(=S)[nH]c(=O)c1C
COCc1[nH]c(=S)[nH]c(=O)c1C
6-(methoxymethyl)-5-methyl-2-sulfanylidene-1H-pyrimidin-4-one