Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 20.172\% 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)COc1cccc(NS(=O)(=O)c2cccc([N+](=O)[O-])c2)c1
b. COc1ccc(NC(=O)N2CCCC(C(=O)NCc3ccccc3F)C2)cc1
Answer: a. COC(=O)COc1cccc(NS(=O)(=O)c2cccc([N+](=O)[O-])c2)c1
{#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)COc1cccc(NS(=O)(=O)c2cccc([N+](=O)[O-])c2)c1
COC(=O)COc1cccc(NS(=O)(=O)c2cccc([N+](=O)[O-])c2)c1
methyl 2-[3-[(3-nitrophenyl)sulfonylamino]phenoxy]acetate