Task: Answer the multiple choice question.
Query: Which compound has a 21.661\% 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] COCCCNc1nc2ccccc2nc1NS(=O)(=O)c1cccc(C)c1
[b] CCOc1cccc(C(=O)Nc2ccc3[nH]ncc3c2)c1
Answer: b. CCOc1cccc(C(=O)Nc2ccc3[nH]ncc3c2)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#}
CCOc1cccc(C(=O)Nc2ccc3[nH]ncc3c2)c1
CCOc1cccc(C(=O)Nc2ccc3[nH]ncc3c2)c1
3-ethoxy-N-(1H-indazol-5-yl)benzamide