Task: Answer the multiple-choice question.
Question: Which compound has a 1.911\% 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: Oc1ccccc1C1=Nc2ncnn2C(c2ccc(F)cc2)C1
b: c1cn(-c2ccc(-c3ccnc4ncnn34)cc2)cn1
Answer: b. c1cn(-c2ccc(-c3ccnc4ncnn34)cc2)cn1
{#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#}
c1cn(-c2ccc(-c3ccnc4ncnn34)cc2)cn1
c1cn(-c2ccc(-c3ccnc4ncnn34)cc2)cn1
7-(4-imidazol-1-ylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidine