Task: Answer the MCQ question.
Question: Which compound has a 6.729\% 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) Clc1cccc(OCCn2cncn2)c1Cl
b) COc1ccc(C(CNC(=O)c2cc3c(s2)CCC(C)C3)N2CCOCC2)cc1
Answer: a. Clc1cccc(OCCn2cncn2)c1Cl
{#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#}
Clc1cccc(OCCn2cncn2)c1Cl
Clc1cccc(OCCn2cncn2)c1Cl
1-[2-(2,3-dichlorophenoxy)ethyl]-1,2,4-triazole