Task: Answer the multiple-choice question.
Query: Which compound has a 5.109\% 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] CCOC(=O)c1c(C=O)c(C)n(Cc2ccc(Cl)cc2)c1C
[b] CC(C)Cn1c2nc3ccccc3nc2c2c(=O)n(CCN3CCOCC3)cnc21
Answer: a. CCOC(=O)c1c(C=O)c(C)n(Cc2ccc(Cl)cc2)c1C
{#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#}
CCOC(=O)c1c(C=O)c(C)n(Cc2ccc(Cl)cc2)c1C
CCOC(=O)c1c(C=O)c(C)n(Cc2ccc(Cl)cc2)c1C
ethyl 1-[(4-chlorophenyl)methyl]-4-formyl-2,5-dimethylpyrrole-3-carboxylate