Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 5.343\% 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, b, or c without using any other words.
Options:
[a] COc1ccc(NC(=O)Nc2cccs2)cc1Cl
[b] CCC(C)n1c(/C=C/c2ccccc2)nc2ccccc21
[c] COc1cccc(/C=C/c2ccc3cccc(O)c3n2)c1OC
Answer: a. COc1ccc(NC(=O)Nc2cccs2)cc1Cl
{#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#}
COc1ccc(NC(=O)Nc2cccs2)cc1Cl
COc1ccc(NC(=O)Nc2cccs2)cc1Cl
1-(3-chloro-4-methoxyphenyl)-3-thiophen-2-ylurea