Task: Answer the MCQ question.
Query: Which compound has a 7.859\% 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] COC(=O)[C@H](CCSC)NC(=O)NCCc1ccccc1F
[b] CCCCC(=O)NC(c1ccccc1Cl)c1c(O)ccc2ccccc12
Answer: a. COC(=O)[C@H](CCSC)NC(=O)NCCc1ccccc1F
{#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#}
COC(=O)[C@H](CCSC)NC(=O)NCCc1ccccc1F
COC(=O)[C@H](CCSC)NC(=O)NCCc1ccccc1F
methyl (2S)-2-[2-(2-fluorophenyl)ethylcarbamoylamino]-4-methylsulfanylbutanoate