Task: Answer the multiple-choice question.
Question: Which drug has a 4.478\% 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 N#C/C(=C\c1ccc(/C=C(/C#N)c2nn(CCO)c(N)c2C#N)cc1)c1nn(CCO)c(N)c1C#N
b O=C(C1CCN(C2CCN(Cc3ccc4c(c3)CCO4)CC2)CC1)N1CCOCC1
Answer: b. O=C(C1CCN(C2CCN(Cc3ccc4c(c3)CCO4)CC2)CC1)N1CCOCC1
{#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#}
[1-[1-(2,3-dihydro-1-benzofuran-5-ylmethyl)piperidin-4-yl]piperidin-4-yl]-morpholin-4-ylmethanone