Task: Answer the multiple-choice question.
Query: Which compound has a 3.377\% 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] S=C1NC(c2ccccc2)N2C(=S)NC(c3ccccc3)N12
[b] CCCC(=O)NCCc1cc(OC)c(OC)cc1Br
Answer: a. S=C1NC(c2ccccc2)N2C(=S)NC(c3ccccc3)N12
{#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=C1NC(c2ccccc2)N2C(=S)NC(c3ccccc3)N12
S=C1NC(c2ccccc2)N2C(=S)NC(c3ccccc3)N12
1,5-diphenyl-1,2,5,6-tetrahydro-[1,2,4]triazolo[1,2-a][1,2,4]triazole-3,7-dithione