Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -43.859\% 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) COc1ccc(CN2CCNC(=O)C2CC(=O)O)c(OC)c1
b) O=c1c2[nH]c3ccc(Cl)cc3c2ncn1CCN1CCCCC1
Answer: b. O=c1c2[nH]c3ccc(Cl)cc3c2ncn1CCN1CCCCC1
{#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#}
O=c1c2[nH]c3ccc(Cl)cc3c2ncn1CCN1CCCCC1
O=c1c2[nH]c3ccc(Cl)cc3c2ncn1CCN1CCCCC1
8-chloro-3-(2-piperidin-1-ylethyl)-5H-pyrimido[5,4-b]indol-4-one