Task: Answer the multiple choice question.
Query: Which compound has a 0.087\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(c1cnc2c(c1)COc1ccc(Cl)cc1-2)c1ccccc1O
b: CCCCCSc1cc(OC)c(CCNC)cc1OC.O=C(O)/C=C\C(=O)O
Answer: a. O=C(c1cnc2c(c1)COc1ccc(Cl)cc1-2)c1ccccc1O
{#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#}
(9-chloro-5H-chromeno[4,3-b]pyridin-3-yl)-(2-hydroxyphenyl)methanone