Task: Answer the multiple choice question.
Query: Which compound exhibits a 16.881\% human ether-à-go-go related gene (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) COc1ccc(C(=O)Nc2ccc3oc(-c4cccnc4)nc3c2)cc1OC
b) N#Cc1c2n(cnc1=O)CCCCC2
Answer: b. N#Cc1c2n(cnc1=O)CCCCC2
{#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#}
N#Cc1c2n(cnc1=O)CCCCC2
N#Cc1c2n(cnc1=O)CCCCC2
[N][#C][C][=C][N][Branch1][#Branch1][C][=N][C][Ring1][=Branch1][=O][C][C][C][C][C][Ring1][O]
3-oxo-6,7,8,9-tetrahydro-5H-pyrimido[1,6-a]azepine-4-carbonitrile