Task: Answer the MCQ question.
Query: Which compound exhibits a -16.399\% 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 Cn1c(N2CCC(C(N)=O)CC2)nc2c1c(=O)n(Cc1ccc(Cl)cc1)c(=O)n2C
b Cc1ccc(SCCC(=O)Nc2cc(C)on2)cc1
Answer: a. Cn1c(N2CCC(C(N)=O)CC2)nc2c1c(=O)n(Cc1ccc(Cl)cc1)c(=O)n2C
{#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#}
Cn1c(N2CCC(C(N)=O)CC2)nc2c1c(=O)n(Cc1ccc(Cl)cc1)c(=O)n2C
Cn1c(N2CCC(C(N)=O)CC2)nc2c1c(=O)n(Cc1ccc(Cl)cc1)c(=O)n2C
1-[1-[(4-chlorophenyl)methyl]-3,7-dimethyl-2,6-dioxopurin-8-yl]piperidine-4-carboxamide