Task: Answer the multiple choice question.
Query: Which compound has a -2.854\% 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 additional words.
Options:
a. CCOC(=O)CNc1c(-c2ccc(F)cc2)nc2cnccn12
b. CCCOc1ccccc1C1SCC(=O)Nc2c1c(=O)[nH]n2C(C)CCC
Answer: a. CCOC(=O)CNc1c(-c2ccc(F)cc2)nc2cnccn12
{#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#}
CCOC(=O)CNc1c(-c2ccc(F)cc2)nc2cnccn12
CCOC(=O)CNc1c(-c2ccc(F)cc2)nc2cnccn12
ethyl2-[[2-(4-fluorophenyl)imidazo[1,2-a]pyrazin-3-yl]amino]acetate