Task: Answer the MCQ question.
Query: Which drug exhibits a 2.547\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) O=C(NNC(=O)C1CCC1)c1ccc(Cl)cc1
b.) Cc1ccc(C=Nc2cc([N+](=O)[O-])ccc2C)s1
c.) COc1cc(/C=N/NC(=O)c2ccc(CSc3nncn3C)cc2)cc(OC)c1O
d.) Cc1nc(-c2ccccn2)nc(N2CCOCC2)c1Cl
Answer: a. O=C(NNC(=O)C1CCC1)c1ccc(Cl)cc1
{#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#}
O=C(NNC(=O)C1CCC1)c1ccc(Cl)cc1
O=C(NNC(=O)C1CCC1)c1ccc(Cl)cc1
4-chloro-N'-(cyclobutanecarbonyl)benzohydrazide