Task: Answer the MCQ question.
Question: Which drug exhibits a -8.686\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CN1CCN(C(=O)c2cc3c(n(-c4ccccc4)c2=O)CC(C)(C)CC3=O)CC1
(b) O=C(c1cnccn1)N(Cc1cccs1)C1(C(=O)NC2CCCCC2)CCCCC1
Answer: b. O=C(c1cnccn1)N(Cc1cccs1)C1(C(=O)NC2CCCCC2)CCCCC1
{#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=C(c1cnccn1)N(Cc1cccs1)C1(C(=O)NC2CCCCC2)CCCCC1
O=C(c1cnccn1)N(Cc1cccs1)C1(C(=O)NC2CCCCC2)CCCCC1
N-[1-(cyclohexylcarbamoyl)cyclohexyl]-N-(thiophen-2-ylmethyl)pyrazine-2-carboxamide