Task: Answer the MCQ question.
Query: Which compound has a 12.226\% 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(CCC(=O)N(CC(=O)NC1CCCC1)Cc1ccccc1)Nc1nccs1
b: Cn1c(-c2ccc([N+](=O)[O-])cc2)nc2ccccc21
Answer: a. O=C(CCC(=O)N(CC(=O)NC1CCCC1)Cc1ccccc1)Nc1nccs1
{#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(CCC(=O)N(CC(=O)NC1CCCC1)Cc1ccccc1)Nc1nccs1
O=C(CCC(=O)N(CC(=O)NC1CCCC1)Cc1ccccc1)Nc1nccs1
N'-benzyl-N'-[2-(cyclopentylamino)-2-oxoethyl]-N-(1,3-thiazol-2-yl)butanediamide