Task: Answer the MCQ question.
Question: Which compound exhibits a 5.124\% 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) COc1cc2c(C#N)c(N3CCN(C)CC3)nc(N)c2c(N)n1
(b) CC(=O)Nc1cc2c(cc1C(=O)C(C)C)OCCO2
Answer: a. COc1cc2c(C#N)c(N3CCN(C)CC3)nc(N)c2c(N)n1
{#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#}
COc1cc2c(C#N)c(N3CCN(C)CC3)nc(N)c2c(N)n1
COc1cc2c(C#N)c(N3CCN(C)CC3)nc(N)c2c(N)n1
1,8-diamino-6-methoxy-3-(4-methylpiperazin-1-yl)-2,7-naphthyridine-4-carbonitrile