Task: Answer the MCQ question.
Question: Which drug exhibits a 3.327\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC1CC(C)CN(C(=O)CN(C)S(=O)(=O)c2ccc3c(c2)c(=O)n(C)c(=O)n3C)C1
b CCC(=Nc1ccc2c(c1)CCC2)c1c(O)n(C)c(=O)n(C)c1=O
Answer: b. CCC(=Nc1ccc2c(c1)CCC2)c1c(O)n(C)c(=O)n(C)c1=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#}
CCC(=Nc1ccc2c(c1)CCC2)c1c(O)n(C)c(=O)n(C)c1=O
CCC(=Nc1ccc2c(c1)CCC2)c1c(O)n(C)c(=O)n(C)c1=O
5-[N-(2,3-dihydro-1H-inden-5-yl)-C-ethylcarbonimidoyl]-6-hydroxy-1,3-dimethylpyrimidine-2,4-dione