Task: Answer the MCQ question.
Question: Which compound exhibits a 8.368\% 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 additional words.
Options:
[a] CCn1nc(NC(=O)c2ccco2)c2cc3cc(C)ccc3nc21
[b] CCN1CCN(c2nc3c(c(=O)[nH]c(=O)n3C)n2Cc2ccccc2F)CC1
Answer: b. CCN1CCN(c2nc3c(c(=O)[nH]c(=O)n3C)n2Cc2ccccc2F)CC1
{#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#}
CCN1CCN(c2nc3c(c(=O)[nH]c(=O)n3C)n2Cc2ccccc2F)CC1
CCN1CCN(c2nc3c(c(=O)[nH]c(=O)n3C)n2Cc2ccccc2F)CC1
8-(4-ethylpiperazin-1-yl)-7-[(2-fluorophenyl)methyl]-3-methylpurine-2,6-dione