Task: Answer the multiple-choice question.
Question: Which drug exhibits a 1.851% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc([N+](=O)[O-])cc1CSc1ccccn1
(b) O=C(Cc1c(F)cccc1Cl)NCC(=O)OCc1ccccc1
Answer: a. COc1ccc([N+](=O)[O-])cc1CSc1ccccn1
{#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#}
COc1ccc([N+](=O)[O-])cc1CSc1ccccn1
COc1ccc([N+](=O)[O-])cc1CSc1ccccn1
2-[(2-methoxy-5-nitrophenyl)methylsulfanyl]pyridine