Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 2.322% 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) O=C1/C(=C/c2ccncc2)N2CCC1CC2
(b) COc1ccc(-c2nc(-c3ccc4c(c3)OCO4)[nH]c2-c2ccc(OC)cc2)cc1
Answer: a. O=C1/C(=C/c2ccncc2)N2CCC1CC2
{#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#}
O=C1/C(=C/c2ccncc2)N2CCC1CC2
O=C1/C(=C/c2ccncc2)N2CCC1CC2
(2Z)-2-(pyridin-4-ylmethylidene)-1-azabicyclo[2.2.2]octan-3-one