Task: Answer the multiple-choice question.
Query: Which compound has a 18.685\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCN(C(=O)CCN1C(=O)/C(=C/c2ccccc2)SC1=S)C1CCS(=O)(=O)C1
b Nc1nn(-c2ccccc2)c(N)c1N=Nc1cccc(F)c1
Answer: b. Nc1nn(-c2ccccc2)c(N)c1N=Nc1cccc(F)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#}
Nc1nn(-c2ccccc2)c(N)c1N=Nc1cccc(F)c1
Nc1nn(-c2ccccc2)c(N)c1N=Nc1cccc(F)c1
4-[(3-fluorophenyl)diazenyl]-1-phenylpyrazole-3,5-diamine