Task: Answer the multiple-choice question.
Question: Which drug has a -3.525\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCn1nnnc1SCC(=O)N1CCN(c2ccccc2)CC1
b: CC(=O)Nc1ccc(NC(=O)COC(=O)c2ccccc2C(=O)c2ccccc2)cc1
Answer: a. CCn1nnnc1SCC(=O)N1CCN(c2ccccc2)CC1
{#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#}
CCn1nnnc1SCC(=O)N1CCN(c2ccccc2)CC1
CCn1nnnc1SCC(=O)N1CCN(c2ccccc2)CC1
2-(1-ethyltetrazol-5-yl)sulfanyl-1-(4-phenylpiperazin-1-yl)ethanone