Task: Answer the multiple-choice question.
Query: Which compound has a 9.860\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) c1ccc(-c2nccc(-c3ccc(-n4cnc5ccccc54)cc3)n2)cc1
(b) CCc1ccc(OCC2c3cc(OC)c(OC)cc3CCN2C(=S)NC)cc1
Answer: a. c1ccc(-c2nccc(-c3ccc(-n4cnc5ccccc54)cc3)n2)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#}
c1ccc(-c2nccc(-c3ccc(-n4cnc5ccccc54)cc3)n2)cc1
c1ccc(-c2nccc(-c3ccc(-n4cnc5ccccc54)cc3)n2)cc1
1-[4-(2-phenylpyrimidin-4-yl)phenyl]benzimidazole