Problem statement: Answer the multiple choice question.
Query: Which compound has a 21.467\% 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) CCn1cc(S(=O)(=O)Nc2ccc3c(c2)OCCO3)cn1
(b) COc1ccc(CCNC(=O)c2n[nH]c(=O)c3ccccc23)cc1
Answer: a. CCn1cc(S(=O)(=O)Nc2ccc3c(c2)OCCO3)cn1
{#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#}
CCn1cc(S(=O)(=O)Nc2ccc3c(c2)OCCO3)cn1
CCn1cc(S(=O)(=O)Nc2ccc3c(c2)OCCO3)cn1
N-(2,3-dihydro-1,4-benzodioxin-6-yl)-1-ethylpyrazole-4-sulfonamide