Problem statement: Answer the multiple choice question.
Question: Which compound has a 1.750\% human ether-à-go-go related gene (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] COC(=O)C1CC(=O)c2ccsc2C1
[b] Cc1ccc(S(=O)(=O)N2CCC(Oc3ccc(-n4cnnn4)cc3)CC2)cc1
Answer: a. COC(=O)C1CC(=O)c2ccsc2C1
{#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#}
COC(=O)C1CC(=O)c2ccsc2C1
COC(=O)C1CC(=O)c2ccsc2C1
methyl 4-oxo-6,7-dihydro-5H-1-benzothiophene-6-carboxylate