Task: Answer the MCQ question.
Question: Which compound has a -0.499\% human ether-à-go-go related gene (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] CCCc1nnc(NC(=O)C23CC4CC(CC(C4)C2)C3)s1
[b] C=CCC1c2cccc(C(=O)O)c2C(=O)N1c1ccc(Cl)cc1
Answer: b. C=CCC1c2cccc(C(=O)O)c2C(=O)N1c1ccc(Cl)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#}
C=CCC1c2cccc(C(=O)O)c2C(=O)N1c1ccc(Cl)cc1
C=CCC1c2cccc(C(=O)O)c2C(=O)N1c1ccc(Cl)cc1
2-(4-chlorophenyl)-3-oxo-1-prop-2-enyl-1H-isoindole-4-carboxylic acid