Task: Answer the multiple choice question.
Question: Which drug exhibits a -5.947\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=c1cccc(-c2ccccc2)[nH]1
b. CCCC(NS(=O)(=O)c1ccc(Br)cc1)C(=O)O
Answer: b. CCCC(NS(=O)(=O)c1ccc(Br)cc1)C(=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#}
2-[(4-bromophenyl)sulfonylamino]pentanoicacid