Task: Answer the multiple-choice question.
Query: Which drug exhibits a -8.702\% human ether-à-go-go related gene (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) CCCCNC(=S)N/N=C1\CCCCc2ccccc21
(b) CCOC(=O)C1(CC)CC(CSc2nc3ccccc3[nH]2)OC1=O.Cl
Answer: a. CCCCNC(=S)N/N=C1\CCCCc2ccccc21
{#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#}
CCCCNC(=S)N/N=C1\CCCCc2ccccc21
CCCCNC(=S)N/N=C1\CCCCc2ccccc21
1-butyl-3-[(E)-6,7,8,9-tetrahydrobenzo[7]annulen-5-ylideneamino]thiourea