Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -1.514% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccccc1NC(=O)Nc1cnccn1
b) CCOC(=O)C1CCN(C(=O)c2cc(S(=O)(=O)N3CCCCC3)ccc2C)CC1
Answer: a. COc1ccccc1NC(=O)Nc1cnccn1
{#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#}
COc1ccccc1NC(=O)Nc1cnccn1
COc1ccccc1NC(=O)Nc1cnccn1
1-(2-methoxyphenyl)-3-pyrazin-2-ylurea