Problem statement: Answer the multiple-choice question.
Query: Which drug has a 7.673\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Clc1ccccc1CONc1ncnc2nonc12
b COc1ccc(C(=O)N2CCNC(=O)C2)cc1S(=O)(=O)Nc1ccc(Br)cc1
Answer: a. Clc1ccccc1CONc1ncnc2nonc12
{#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#}
Clc1ccccc1CONc1ncnc2nonc12
Clc1ccccc1CONc1ncnc2nonc12
N-[(2-chlorophenyl)methoxy]-[1,2,5]oxadiazolo[3,4-d]pyrimidin-7-amine