Task: Answer the multiple-choice question.
Question: Which compound exhibits a -16.455% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1cc2c(cc1OC)-c1cc3ccc4c(c3c[n+]1CC2)OCO4
b CCOC(=O)c1c(NC(=O)Nc2cccc(Cl)c2)sc(C)c1C
Answer: b. CCOC(=O)c1c(NC(=O)Nc2cccc(Cl)c2)sc(C)c1C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)c1c(NC(=O)Nc2cccc(Cl)c2)sc(C)c1C
CCOC(=O)c1c(NC(=O)Nc2cccc(Cl)c2)sc(C)c1C
ethyl 2-[(3-chlorophenyl)carbamoylamino]-4,5-dimethylthiophene-3-carboxylate