Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES CCN1CCN(c2nc(-c3cccnc3)nc3ccccc23)CC1.Cl?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
[a] -18.358
[b] 11.523
Answer: a. -18.358\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
CCN1CCN(c2nc(-c3cccnc3)nc3ccccc23)CC1.Cl
CCN1CCN(c2nc(-c3cccnc3)nc3ccccc23)CC1.Cl
4-(4-ethylpiperazin-1-yl)-2-pyridin-3-ylquinazoline;hydrochloride