Task: Answer the multiple choice question.
Question: Which compound exhibits a 7.129\% 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. Cn1c2ccccc2c2c(C(=O)N3CCN(c4ccccn4)CC3)cn(C3CCCC3)c(=O)c21
b. COC(=O)c1ccc(OCC2c3cc(OC)c(OC)cc3CCN2C(=O)C2CC2)cc1
Answer: a. Cn1c2ccccc2c2c(C(=O)N3CCN(c4ccccn4)CC3)cn(C3CCCC3)c(=O)c21
{#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#}
Cn1c2ccccc2c2c(C(=O)N3CCN(c4ccccn4)CC3)cn(C3CCCC3)c(=O)c21
Cn1c2ccccc2c2c(C(=O)N3CCN(c4ccccn4)CC3)cn(C3CCCC3)c(=O)c21
2-cyclopentyl-9-methyl-4-(4-pyridin-2-ylpiperazine-1-carbonyl)pyrido[3,4-b]indol-1-one