Task: Answer the MCQ question.
Query: Which compound has a 15.543\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a N#Cc1ccccc1Cn1cc(C(=O)C2CC2)c2ccccc21
b COC1=C/C(=C/c2c(O)c(C#N)c3ccccn23)C=CC1=O
c Cc1cc(C)c(C)c(OCC(=O)N2CCOCC2)c1
d CN(Cc1c(F)cccc1Cl)C(=O)CNC(=O)c1ccc2c(c1)OCO2
Answer: b. COC1=C/C(=C/c2c(O)c(C#N)c3ccccn23)C=CC1=O
{#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#}
COC1=C/C(=C/c2c(O)c(C#N)c3ccccn23)C=CC1=O
COC1=C/C(=C/c2c(O)c(C#N)c3ccccn23)C=CC1=O
2-hydroxy-3-[(E)-(3-methoxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]indolizine-1-carbonitrile