Task: Answer the MCQ question.
Question: Which compound exhibits a 1.693\% 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) CS(=O)(=O)c1ccccc1C(=O)Nc1cccc(-c2nc3ccccc3o2)c1
(b) Cc1nn(CC(=O)NC(=O)NC2CCCC(C)C2C)c(=O)c(C#N)c1C
Answer: b. Cc1nn(CC(=O)NC(=O)NC2CCCC(C)C2C)c(=O)c(C#N)c1C
{#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#}
Cc1nn(CC(=O)NC(=O)NC2CCCC(C)C2C)c(=O)c(C#N)c1C
Cc1nn(CC(=O)NC(=O)NC2CCCC(C)C2C)c(=O)c(C#N)c1C
2-(5-cyano-3,4-dimethyl-6-oxopyridazin-1-yl)-N-[(2,3-dimethylcyclohexyl)carbamoyl]acetamide