Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 5.574\% 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) Nc1cc2c(cc1C(=O)c1cccc(Br)c1)OCCO2
b) O=C1NC(=O)/C(=C\c2ccc(Oc3ccc([N+](=O)[O-])cn3)cc2)S1
Answer: a. Nc1cc2c(cc1C(=O)c1cccc(Br)c1)OCCO2
{#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#}
Nc1cc2c(cc1C(=O)c1cccc(Br)c1)OCCO2
Nc1cc2c(cc1C(=O)c1cccc(Br)c1)OCCO2
(6-amino-2,3-dihydro-1,4-benzodioxin-7-yl)-(3-bromophenyl)methanone