Problem statement: Answer the multiple choice question.
Question: Which compound has a 4.071\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Cc1nc2cncc(Br)c2n1C
(b) CCOC(=O)C[N+](C)(C)CCOC1CC2CCC1(C)C2(C)C.[Cl-]
(c) COc1ccc(C2C(C(=O)Nc3cccc(OC)c3)c3ccccc3C(=O)N2C)cc1
(d) CC(=O)NCC(=O)NC1CCCc2c1cnn2-c1ccc(C(C)(C)C)cc1
Answer: a. Cc1nc2cncc(Br)c2n1C
{#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#}
Cc1nc2cncc(Br)c2n1C
Cc1nc2cncc(Br)c2n1C
7-bromo-1,2-dimethylimidazo[4,5-c]pyridine