Problem statement: Answer the multiple choice question.
Query: Which compound has a 6.250\% 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] Cc1ccc(OCC(=O)Nc2ccc3c(c2)OCO3)cc1C
[b] CSC1=NCCN1C(=O)c1ccccc1F
[c] Clc1ccccc1CN(Cc1ccccc1)C(c1cccs1)c1nnnn1C1CCCC1
[d] O=[N+]([O-])c1ncccc1OCc1ccccc1Br
Answer: d. O=[N+]([O-])c1ncccc1OCc1ccccc1Br
{#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#}
3-[(2-bromophenyl)methoxy]-2-nitropyridine