Task: Answer the multiple choice question.
Query: Which compound has a 0.313\% 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. Cc1c(C(=O)NC(C)C)sc2ncn(CC(=O)N3CCC(C)CC3)c(=O)c12
b. CN(C#N)c1nccc(-c2cccs2)n1
Answer: b. CN(C#N)c1nccc(-c2cccs2)n1
{#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#}
CN(C#N)c1nccc(-c2cccs2)n1
CN(C#N)c1nccc(-c2cccs2)n1
methyl-(4-thiophen-2-ylpyrimidin-2-yl)cyanamide