Task: Answer the multiple choice question.
Question: Which drug has a 8.624\% 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) OCCNc1nc(N2CCOCC2)nc(N2CCOCC2)n1
(b) Cc1nn(C)c(C(=O)Nc2ccc(Cl)c([N+](=O)[O-])c2)c1Cl
(c) Cc1c(NC(=O)CSc2ccccn2)c(=O)n(-c2ccccc2)n1C
(d) CCc1ccc(C2C(=O)c3ccccc3C2=O)cc1
Answer: b. Cc1nn(C)c(C(=O)Nc2ccc(Cl)c([N+](=O)[O-])c2)c1Cl
{#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#}
Cc1nn(C)c(C(=O)Nc2ccc(Cl)c([N+](=O)[O-])c2)c1Cl
Cc1nn(C)c(C(=O)Nc2ccc(Cl)c([N+](=O)[O-])c2)c1Cl
4-chloro-N-(4-chloro-3-nitrophenyl)-2,5-dimethylpyrazole-3-carboxamide