Task: Answer the multiple choice question.
Question: Which compound exhibits a -0.387\% 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(-n2ncc3c2CC(C)(C)CC3NC(=O)c2oc(C)cc2C)cc1
[b] CSC1=N/C(=C\c2ccccc2)C(=O)N1C
Answer: b. CSC1=N/C(=C\c2ccccc2)C(=O)N1C
{#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#}
CSC1=N/C(=C\c2ccccc2)C(=O)N1C
CSC1=N/C(=C\c2ccccc2)C(=O)N1C
(5Z)-5-benzylidene-3-methyl-2-methylsulfanylimidazol-4-one