Task: Answer the multiple choice question.
Query: Which drug exhibits a -9.490\% 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 additional words.
Options:
a. CCn1c(N2CCN(C(=O)NC3CCCCC3)CC2)nc2ccccc21
b. O=C(CSc1ccc([N+](=O)[O-])cn1)Nc1ccc2c(c1)OCO2
Answer: a. CCn1c(N2CCN(C(=O)NC3CCCCC3)CC2)nc2ccccc21
{#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#}
CCn1c(N2CCN(C(=O)NC3CCCCC3)CC2)nc2ccccc21
CCn1c(N2CCN(C(=O)NC3CCCCC3)CC2)nc2ccccc21
N-cyclohexyl-4-(1-ethylbenzimidazol-2-yl)piperazine-1-carboxamide