Task: Answer the multiple-choice question.
Question: Which drug exhibits a 12.699\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1cc(/C=N/O)ccc1OCc1ccccc1Cl
(b) Cc1cccc(C(=O)NNC(=O)C(=O)NC(C)(C)C)c1
Answer: a. COc1cc(/C=N/O)ccc1OCc1ccccc1Cl
{#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#}
(NE)-N-[[4-[(2-chlorophenyl)methoxy]-3-methoxyphenyl]methylidene]hydroxylamine