Task: Answer the multiple-choice question.
Query: Which compound has a 6.557\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CC(=O)Nc1ccc(Nc2nnc(-c3ccc(O)cc3)c3ccccc23)cc1
(b) O=S1(=O)NC(c2ccccc2)CCO1
Answer: b. O=S1(=O)NC(c2ccccc2)CCO1
{#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#}
O=S1(=O)NC(c2ccccc2)CCO1
O=S1(=O)NC(c2ccccc2)CCO1
4-phenyloxathiazinane 2,2-dioxide