Task: Answer the MCQ question.
Question: Which compound exhibits a 0.747\% 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) O=C(NCCCCNC(=O)C1CCCC1)C1CCCC1
(b) CCc1ccc(NC(=O)C(=O)c2cn(CC(=O)N3CCCCC3)c3ccccc23)cc1
Answer: a. O=C(NCCCCNC(=O)C1CCCC1)C1CCCC1
{#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(NCCCCNC(=O)C1CCCC1)C1CCCC1
O=C(NCCCCNC(=O)C1CCCC1)C1CCCC1
N-[4-(cyclopentanecarbonylamino)butyl]cyclopentanecarboxamide