Problem statement: Answer the multiple-choice question.
Query: Which drug has a 14.956\% 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. O=C(CCC(=O)Nc1ccc(Br)cc1)N/N=C/c1cc([N+](=O)[O-])ccc1O
b. CCc1ccc(/C=N/NC(=O)c2cc(-c3ccccc3OC)nc3ccccc23)s1
c. CCNc1nc(NCC)n2c(SCC(=O)Nc3ccccc3F)nnc2n1
Answer: a. O=C(CCC(=O)Nc1ccc(Br)cc1)N/N=C/c1cc([N+](=O)[O-])ccc1O
{#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=C(CCC(=O)Nc1ccc(Br)cc1)N/N=C/c1cc([N+](=O)[O-])ccc1O
O=C(CCC(=O)Nc1ccc(Br)cc1)N/N=C/c1cc([N+](=O)[O-])ccc1O
N-(4-bromophenyl)-N'-[(E)-(2-hydroxy-5-nitrophenyl)methylideneamino]butanediamide