Task: Answer the multiple choice question.
Question: Which compound exhibits a -0.412\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) S=C(NCc1cccnc1)Nc1ccc2c(c1)OCO2
(b) CC(Sc1nnc(-c2ccccc2Br)n1-c1cccc(C(F)(F)F)c1)C(N)=O
Answer: a. S=C(NCc1cccnc1)Nc1ccc2c(c1)OCO2
{#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#}
S=C(NCc1cccnc1)Nc1ccc2c(c1)OCO2
S=C(NCc1cccnc1)Nc1ccc2c(c1)OCO2
1-(1,3-benzodioxol-5-yl)-3-(pyridin-3-ylmethyl)thiourea