Problem statement: Answer the MCQ question.
Question: Which drug has a 11.295\% 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: O=c1[nH]c(-c2ccccc2)nn1-c1ccc(Br)cc1Br
b: O=C(CN1CCC(NC(=O)c2ccco2)CC1)Nc1cc(Cl)ccc1Cl
Answer: a. O=c1[nH]c(-c2ccccc2)nn1-c1ccc(Br)cc1Br
{#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#}
O=c1[nH]c(-c2ccccc2)nn1-c1ccc(Br)cc1Br
O=c1[nH]c(-c2ccccc2)nn1-c1ccc(Br)cc1Br
2-(2,4-dibromophenyl)-5-phenyl-4H-1,2,4-triazol-3-one