Problem statement: Answer the multiple choice question.
Query: Which compound has a 5.053\% 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) COc1ccccc1N1C(=O)CCC1(C#N)c1ccc(Br)cc1
(b) Cc1nc2cc(C(=O)N3CCc4ccccc43)ccc2n1-c1ccc(F)c(F)c1
Answer: a. COc1ccccc1N1C(=O)CCC1(C#N)c1ccc(Br)cc1
{#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#}
COc1ccccc1N1C(=O)CCC1(C#N)c1ccc(Br)cc1
COc1ccccc1N1C(=O)CCC1(C#N)c1ccc(Br)cc1
2-(4-bromophenyl)-1-(2-methoxyphenyl)-5-oxopyrrolidine-2-carbonitrile