Task: Answer the MCQ question.
Query: Which compound has a 12.086\% 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: CC(C)N1CCN(Cc2ccc3nsnc3c2)CC1CCO
b: O=C1CN(S(=O)(=O)c2ccc(Br)cc2)c2ccccc2N1
Answer: a. CC(C)N1CCN(Cc2ccc3nsnc3c2)CC1CCO
{#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#}
CC(C)N1CCN(Cc2ccc3nsnc3c2)CC1CCO
CC(C)N1CCN(Cc2ccc3nsnc3c2)CC1CCO
2-[4-(2,1,3-benzothiadiazol-5-ylmethyl)-1-propan-2-ylpiperazin-2-yl]ethanol