Task: Answer the multiple choice question.
Query: Which compound exhibits a 3.939\% 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) CCCCn1c(O)c(C=NCCCN(CC)CC)c(=O)[nH]c1=O
(b) O=C(c1ccco1)N1CCCC(N2CCN(c3ccccc3F)CC2)C1
Answer: b. O=C(c1ccco1)N1CCCC(N2CCN(c3ccccc3F)CC2)C1
{#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#}
O=C(c1ccco1)N1CCCC(N2CCN(c3ccccc3F)CC2)C1
O=C(c1ccco1)N1CCCC(N2CCN(c3ccccc3F)CC2)C1
[3-[4-(2-fluorophenyl)piperazin-1-yl]piperidin-1-yl]-(furan-2-yl)methanone