Task: Answer the multiple choice question.
Question: Which compound has a 16.400\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CCN1CCN(C(=S)Nc2ccc(Cl)cc2Cl)CC1
b.) CC(C)Cc1nnc(NC(=O)CSc2nc(-c3ccccc3)cc(=O)[nH]2)s1
Answer: a. CCN1CCN(C(=S)Nc2ccc(Cl)cc2Cl)CC1
{#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#}
CCN1CCN(C(=S)Nc2ccc(Cl)cc2Cl)CC1
CCN1CCN(C(=S)Nc2ccc(Cl)cc2Cl)CC1
N-(2,4-dichlorophenyl)-4-ethylpiperazine-1-carbothioamide