Task: Answer the MCQ question.
Question: Which drug exhibits a 11.228\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1cccc(NC(=O)Nc2cnccn2)c1C
(b) CC(=O)Nc1ccc(NC(=O)C(C)c2cccc(C(=O)c3ccccc3)c2)cc1
Answer: a. Cc1cccc(NC(=O)Nc2cnccn2)c1C
{#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#}
Cc1cccc(NC(=O)Nc2cnccn2)c1C
Cc1cccc(NC(=O)Nc2cnccn2)c1C
1-(2,3-dimethylphenyl)-3-pyrazin-2-ylurea