Problem statement: Answer the MCQ question.
Question: Which drug has a 12.981\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCN1C(c2ccccc2)=C(c2ccccc2)S/C1=C\C=C1/SC(=S)N(C)C1=O
b: CCn1c(SCC(=O)N2CCCC2)nc2c(c1=O)SCC2
Answer: b. CCn1c(SCC(=O)N2CCCC2)nc2c(c1=O)SCC2
{#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#}
CCn1c(SCC(=O)N2CCCC2)nc2c(c1=O)SCC2
CCn1c(SCC(=O)N2CCCC2)nc2c(c1=O)SCC2
3-ethyl-2-(2-oxo-2-pyrrolidin-1-ylethyl)sulfanyl-6,7-dihydrothieno[3,2-d]pyrimidin-4-one