Task: Answer the multiple-choice question.
Query: Which compound exhibits a 0.180\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1nc2c(C#N)cnn2c2c1CCN2CC1CCCO1
b) C=CCCc1ccc(C#N)c(SCc2c(C(=O)OCC)c3cc(OC(C)=O)c(Br)cc3n2C)n1
Answer: a. Cc1nc2c(C#N)cnn2c2c1CCN2CC1CCCO1
{#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#}
Cc1nc2c(C#N)cnn2c2c1CCN2CC1CCCO1
Cc1nc2c(C#N)cnn2c2c1CCN2CC1CCCO1
7-methyl-3-(oxolan-2-ylmethyl)-1,3,8,12-tetrazatricyclo[7.3.0.02,6]dodeca-2(6),7,9,11-tetraene-10-carbonitrile