Task: Answer the MCQ question.
Query: Which drug exhibits a -21.611% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCN(CC)c1ncn(Cc2c(Cl)cccc2Cl)c2ncnc1-2
[b] c1ccc(C(c2ccccc2)N2CCN(Cc3nc(-c4cnccn4)no3)CC2)cc1
Answer: b. c1ccc(C(c2ccccc2)N2CCN(Cc3nc(-c4cnccn4)no3)CC2)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
c1ccc(C(c2ccccc2)N2CCN(Cc3nc(-c4cnccn4)no3)CC2)cc1
c1ccc(C(c2ccccc2)N2CCN(Cc3nc(-c4cnccn4)no3)CC2)cc1
5-[(4-benzhydrylpiperazin-1-yl)methyl]-3-pyrazin-2-yl-1,2,4-oxadiazole