Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -71.462\% 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: CCN1CCN(c2nn3c(=O)c4ccccc4nc3c3ccccc23)CC1
b: COCCNC(=O)Cn1cc(C(=S)N2CCCCC2)c2ccccc21
Answer: a. CCN1CCN(c2nn3c(=O)c4ccccc4nc3c3ccccc23)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(c2nn3c(=O)c4ccccc4nc3c3ccccc23)CC1
CCN1CCN(c2nn3c(=O)c4ccccc4nc3c3ccccc23)CC1
5-(4-ethylpiperazin-1-yl)quinazolino[2,3-a]phthalazin-8-one