Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 6.216\% human ether-à-go-go related gene (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)CCC(=O)NC(=S)Nc1c(C)cccc1C
[b] CC(=O)Nc1cccc(NC(=O)C(=O)NCC(c2ccco2)N2CCc3ccccc3C2)c1
Answer: a. COC(=O)CCC(=O)NC(=S)Nc1c(C)cccc1C
{#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)CCC(=O)NC(=S)Nc1c(C)cccc1C
COC(=O)CCC(=O)NC(=S)Nc1c(C)cccc1C
methyl4-[(2,6-dimethylphenyl)carbamothioylamino]-4-oxobutanoate