Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 6.323\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(NCc1cccs1)NC1CCCCC1
(b) CN(C)C(=O)CSc1nc2ccc(N3C(=O)c4ccccc4C3=O)cc2s1
Answer: a. O=C(NCc1cccs1)NC1CCCCC1
{#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(NCc1cccs1)NC1CCCCC1
O=C(NCc1cccs1)NC1CCCCC1
1-cyclohexyl-3-(thiophen-2-ylmethyl)urea