Task: Answer the MCQ question.
Query: Which drug has a 15.763\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C(Nc1ccccc1)/C(=C\c1ccc(F)cc1)NC(=O)c1ccco1
b Cc1nc2ccc(Br)cn2c1C(=O)N/N=C\c1ccccc1[N+](=O)[O-]
c Cc1nnc(C)n1/N=C/c1cccnc1
Answer: b. Cc1nc2ccc(Br)cn2c1C(=O)N/N=C\c1ccccc1[N+](=O)[O-]
{#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#}
Cc1nc2ccc(Br)cn2c1C(=O)N/N=C\c1ccccc1[N+](=O)[O-]
Cc1nc2ccc(Br)cn2c1C(=O)N/N=C\c1ccccc1[N+](=O)[O-]
6-bromo-2-methyl-N-[(Z)-(2-nitrophenyl)methylideneamino]imidazo[1,2-a]pyridine-3-carboxamide