Task: Answer the multiple-choice question.
Query: Which drug has a 12.404\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CC(C)CC(=O)Nc1ccc2c(c1)OCO2
(b) COc1ccc2[nH]c(=O)c(C3c4cc(OC)c(OC)cc4CCN3C(=O)c3ccco3)cc2c1
(c) COc1ccc(NC(=O)NC2CCCc3ccccc32)cc1
(d) CCN1N=C(c2ccccc2)CCC1=O
Answer: d. CCN1N=C(c2ccccc2)CCC1=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#}
CCN1N=C(c2ccccc2)CCC1=O
CCN1N=C(c2ccccc2)CCC1=O
2-ethyl-6-phenyl-4,5-dihydropyridazin-3-one