Task: Answer the multiple-choice question.
Question: Which compound exhibits a 12.688\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CN(c1ccc(O)cc1)S(=O)(=O)c1ccc2ccccc2c1
[b] CC(=O)C1=C(O)C(=O)N(Cc2cccnc2)C1c1ccc(O)cc1
Answer: a. CN(c1ccc(O)cc1)S(=O)(=O)c1ccc2ccccc2c1
{#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#}
CN(c1ccc(O)cc1)S(=O)(=O)c1ccc2ccccc2c1
CN(c1ccc(O)cc1)S(=O)(=O)c1ccc2ccccc2c1
N-(4-hydroxyphenyl)-N-methylnaphthalene-2-sulfonamide