Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -15.675\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) c1ccc(N2CCN(c3ccc4nncn4n3)CC2)nc1
(b) CCOCCCn1cnc2c3cc(F)ccc3n(C)c2c1=O
Answer: a. c1ccc(N2CCN(c3ccc4nncn4n3)CC2)nc1
{#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#}
c1ccc(N2CCN(c3ccc4nncn4n3)CC2)nc1
c1ccc(N2CCN(c3ccc4nncn4n3)CC2)nc1
6-(4-pyridin-2-ylpiperazin-1-yl)-[1,2,4]triazolo[4,3-b]pyridazine