Task: Answer the multiple-choice question.
Query: Which compound has a 6.251\% 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) COc1ccc(S(=O)(=O)N2C3CCC2CC(NC(=O)C2CC2)C3)cc1
(b) C=CCn1c2ccccc2n2nc(C)c(=O)nc12
Answer: b. C=CCn1c2ccccc2n2nc(C)c(=O)nc12
{#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#}
C=CCn1c2ccccc2n2nc(C)c(=O)nc12
C=CCn1c2ccccc2n2nc(C)c(=O)nc12
2-methyl-5-prop-2-enyl-[1,2,4]triazino[2,3-a]benzimidazol-3-one