Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 23.314\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC(=O)N1CC=CC1(C)C(=O)O
b COc1cc2nc(N(CCCN(C)C)C(=O)c3ccc(S(=O)(=O)N(C)C4CCCCC4)cc3)sc2cc1OC.Cl
Answer: a. CC(=O)N1CC=CC1(C)C(=O)O
{#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#}
CC(=O)N1CC=CC1(C)C(=O)O
CC(=O)N1CC=CC1(C)C(=O)O
1-acetyl-5-methyl-2H-pyrrole-5-carboxylic acid