Task: Answer the MCQ question.
Query: Which compound exhibits a -21.037% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COCCn1c(=NC(=O)c2nc3ccccc3s2)sc2cc(S(C)(=O)=O)ccc21
b S=C(NCCCN1CCOCC1)N1CCN(c2cccc(Cl)c2)CC1
Answer: a. COCCn1c(=NC(=O)c2nc3ccccc3s2)sc2cc(S(C)(=O)=O)ccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COCCn1c(=NC(=O)c2nc3ccccc3s2)sc2cc(S(C)(=O)=O)ccc21
COCCn1c(=NC(=O)c2nc3ccccc3s2)sc2cc(S(C)(=O)=O)ccc21
N-[3-(2-methoxyethyl)-6-methylsulfonyl-1,3-benzothiazol-2-ylidene]-1,3-benzothiazole-2-carboxamide