Task: Answer the multiple-choice question.
Query: Which compound exhibits a 7.309\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COCc1nnc(NC(=O)CC(C)C)s1
b. COc1ccc(Nc2oc(COc3cccc(C)c3)nc2C#N)cc1
Answer: a. COCc1nnc(NC(=O)CC(C)C)s1
{#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#}
COCc1nnc(NC(=O)CC(C)C)s1
COCc1nnc(NC(=O)CC(C)C)s1
[C][O][C][C][=N][N][=C][Branch1][N][N][C][=Branch1][C][=O][C][C][Branch1][C][C][C][S][Ring1][N]
N-[5-(methoxymethyl)-1,3,4-thiadiazol-2-yl]-3-methylbutanamide