Task: Answer the multiple choice question.
Question: Which drug exhibits a -2.661\% 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. CCN(CC)c1ccc(-c2nc3cnccc3n2C)cc1
b. Cc1cccc(N2CCN(C(=S)c3ccccc3)CC2)c1
Answer: a. CCN(CC)c1ccc(-c2nc3cnccc3n2C)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#}
CCN(CC)c1ccc(-c2nc3cnccc3n2C)cc1
CCN(CC)c1ccc(-c2nc3cnccc3n2C)cc1
N,N-diethyl-4-(1-methylimidazo[4,5-c]pyridin-2-yl)aniline