Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 5.179\% 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] C[C@@H](C(=O)N1CCN(Cc2ccc3c(c2)OCO3)CC1)n1nnc2ccccc2c1=O
[b] Cc1ccccc1CS(=O)(=O)CCC(=O)O
Answer: b. Cc1ccccc1CS(=O)(=O)CCC(=O)O
{#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#}
Cc1ccccc1CS(=O)(=O)CCC(=O)O
Cc1ccccc1CS(=O)(=O)CCC(=O)O
3-[(2-methylphenyl)methylsulfonyl]propanoicacid