Task: Answer the multiple-choice question.
Query: Which compound has a -14.735\% 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] Br.CCCCCCN1Cc2ccccc2C1
[b] CN(CCc1ccccn1)C(=O)CCC1CCCN(C(=O)CCOc2ccccc2)C1
Answer: a. Br.CCCCCCN1Cc2ccccc2C1
{#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.CCCCCCN1Cc2ccccc2C1
Br.CCCCCCN1Cc2ccccc2C1
2-hexyl-1,3-dihydroisoindole;hydrobromide