Task: Answer the MCQ question.
Question: Which compound exhibits a 9.875\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CN1CCN(c2nc(-c3ccc(Cl)c(Cl)c3)nc3ccccc23)CC1
(b) OC(COc1ccc2cc(Br)ccc2c1)CN1CCN(c2ccccn2)CC1
Answer: a. CN1CCN(c2nc(-c3ccc(Cl)c(Cl)c3)nc3ccccc23)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#}
CN1CCN(c2nc(-c3ccc(Cl)c(Cl)c3)nc3ccccc23)CC1
CN1CCN(c2nc(-c3ccc(Cl)c(Cl)c3)nc3ccccc23)CC1
2-(3,4-dichlorophenyl)-4-(4-methyl-1,4-diazinan-1-yl)quinazoline