Problem statement: Answer the multiple-choice question.
Question: Which drug has a 21.646\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1cc(C)c(C(CC(=O)c2cccs2)C(C#N)C#N)c(C)c1
[b] CCOc1ccc(C(=O)N2CCCC2C(=O)O)cc1
Answer: b. CCOc1ccc(C(=O)N2CCCC2C(=O)O)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#}
CCOc1ccc(C(=O)N2CCCC2C(=O)O)cc1
CCOc1ccc(C(=O)N2CCCC2C(=O)O)cc1
1-(4-ethoxybenzoyl)pyrrolidine-2-carboxylicacid