Task: Answer the multiple choice question.
Question: Which drug has a 13.291\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) Cl.O=[N+]([O-])c1ccc(N2CCCNCC2)c2ncccc12
b.) Br.Nc1nc2c(s1)CCc1ccccc1-2
c.) CN(C)CCSc1nc(-c2ccccc2)nc2c1CCC2
Answer: b. Br.Nc1nc2c(s1)CCc1ccccc1-2
{#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.Nc1nc2c(s1)CCc1ccccc1-2
Br.Nc1nc2c(s1)CCc1ccccc1-2
4,5-dihydrobenzo[e][1,3]benzothiazol-2-amine;hydrobromide