Task: Answer the multiple-choice question.
Query: Which compound exhibits a 21.420\% 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) COC(=O)c1ccccc1NC(=O)c1ccc(-c2ccc(Br)cc2)o1
b) NC(=O)COc1ccc(NC(=O)CC23CC4CC(CC(C4)C2)C3)cc1
c) COc1cc2c(=O)n(CC3CCCO3)c(=O)n(CC(=O)Nc3cccc(Cl)c3)c2cc1OC
Answer: a. COC(=O)c1ccccc1NC(=O)c1ccc(-c2ccc(Br)cc2)o1
{#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#}
COC(=O)c1ccccc1NC(=O)c1ccc(-c2ccc(Br)cc2)o1
COC(=O)c1ccccc1NC(=O)c1ccc(-c2ccc(Br)cc2)o1
[C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][=C][C][=C][Branch1][N][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1][O][Ring1][N]
methyl 2-[[5-(4-bromophenyl)furan-2-carbonyl]amino]benzoate