Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.620\% 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] NC(=O)c1c(NC(=O)Cn2cnc([N+](=O)[O-])n2)sc2c1CCCC2
[b] COCCNC(=O)CSc1nccn1Cc1ccc2c(c1)OCO2
Answer: b. COCCNC(=O)CSc1nccn1Cc1ccc2c(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#}
COCCNC(=O)CSc1nccn1Cc1ccc2c(c1)OCO2
COCCNC(=O)CSc1nccn1Cc1ccc2c(c1)OCO2
2-[1-(1,3-benzodioxol-5-ylmethyl)imidazol-2-yl]sulfanyl-N-(2-methoxyethyl)acetamide