Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -0.552\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CCCCn1nnnc1NCc1ccc(OC)c(OC)c1OC
b) CC(C)C(=O)Nc1nnn(C)n1
c) O=C(NC(Cc1ccc2c(c1)OCO2)C(=O)NC(Cc1ccccc1)C(=O)O)c1ccccc1
Answer: a. CCCCn1nnnc1NCc1ccc(OC)c(OC)c1OC
{#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#}
CCCCn1nnnc1NCc1ccc(OC)c(OC)c1OC
CCCCn1nnnc1NCc1ccc(OC)c(OC)c1OC
1-butyl-N-[(2,3,4-trimethoxyphenyl)methyl]tetrazol-5-amine