Problem statement: Answer the multiple choice question.
Query: Which drug has a 21.877\% 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) Br.CC(Oc1ccccc1)C(=O)NN1Cc2ccccc2C1=N
b) O=C(CC1C(=O)NCCN1Cc1cccc(Oc2ccccc2)c1)NCCc1ccccn1
Answer: a. Br.CC(Oc1ccccc1)C(=O)NN1Cc2ccccc2C1=N
{#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#}
Br.CC(Oc1ccccc1)C(=O)NN1Cc2ccccc2C1=N
Br.CC(Oc1ccccc1)C(=O)NN1Cc2ccccc2C1=N
N-(3-imino-1H-isoindol-2-yl)-2-phenoxypropanamide;hydrobromide