Problem statement: Answer the multiple-choice question.
Query: Which drug has a 16.511\% 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.) CCN1CCN(c2cc(=O)n3ccccc3n2)CC1
b.) CCOc1cc(N2CCOCC2)c(OCC)cc1NC(=O)COC(=O)[C@@H]1CCCN1S(=O)(=O)c1ccccc1F
Answer: a. CCN1CCN(c2cc(=O)n3ccccc3n2)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(c2cc(=O)n3ccccc3n2)CC1
CCN1CCN(c2cc(=O)n3ccccc3n2)CC1
2-(4-ethyl-1,4-diazinan-1-yl)pyrido[1,2-a]pyrimidin-4-one