Task: Answer the MCQ question.
Question: Which compound exhibits a 0.336% 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) COc1cccc(OCCOc2c(OC)cccc2OC)c1
b) COC(=O)c1ccc(NC(=O)C2CCN(C(=O)Nc3ccccc3)CC2)cc1
Answer: a. COc1cccc(OCCOc2c(OC)cccc2OC)c1
{#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#}
COc1cccc(OCCOc2c(OC)cccc2OC)c1
COc1cccc(OCCOc2c(OC)cccc2OC)c1
1,3-dimethoxy-2-[2-(3-methoxyphenoxy)ethoxy]benzene