Task: Answer the multiple-choice question.
Question: Which drug exhibits a 31.334% 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. Brc1ccc(CNc2cc3c(cc2Br)OCCO3)cc1
b. COc1cccc2cc(C(=O)NC3CC(C)(C)NC(C)(C)C3)c(=O)oc12
Answer: a. Brc1ccc(CNc2cc3c(cc2Br)OCCO3)cc1
{#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#}
Brc1ccc(CNc2cc3c(cc2Br)OCCO3)cc1
Brc1ccc(CNc2cc3c(cc2Br)OCCO3)cc1
6-bromo-N-[(4-bromophenyl)methyl]-2,3-dihydro-1,4-benzodioxin-7-amine