Task: Answer the multiple-choice question.
Question: Which drug has a -19.728% 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=C(c1ccc2nc(-c3ccccc3)c(-c3ccccc3)nc2c1)N1CCCCC1
(b) CC(C)NC(=O)c1c(CSc2ccccc2)noc1C(=O)NCc1ccccc1
Answer: a. O=C(c1ccc2nc(-c3ccccc3)c(-c3ccccc3)nc2c1)N1CCCCC1
{#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=C(c1ccc2nc(-c3ccccc3)c(-c3ccccc3)nc2c1)N1CCCCC1
O=C(c1ccc2nc(-c3ccccc3)c(-c3ccccc3)nc2c1)N1CCCCC1
(2,3-diphenylquinoxalin-6-yl)-piperidin-1-ylmethanone