Task: Answer the multiple-choice question.
Question: Which compound has a 6.492\% 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. COc1ccccc1NC(=O)CCCN1C(=O)C2CC=CCC2C1=O
b. c1ccc2[nH]c(Cn3nnc4ccccc43)nc2c1
Answer: b. c1ccc2[nH]c(Cn3nnc4ccccc43)nc2c1
{#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#}
c1ccc2[nH]c(Cn3nnc4ccccc43)nc2c1
c1ccc2[nH]c(Cn3nnc4ccccc43)nc2c1
1-(1H-benzimidazol-2-ylmethyl)benzotriazole