Task: Answer the multiple choice question.
Question: Which compound exhibits a 1.080\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1cc(-n2nc(C)c3c2OC(N)=C(C#N)C3c2ccccc2)c(Cl)c(Br)c1O
b: Cc1cc2cc(C(c3nnnn3Cc3ccco3)N3CCCCC3)c(=O)[nH]c2cc1C
c: Cc1ccc(-c2noc(CCC(=O)Nc3cc(C)ccn3)n2)cc1
d: Cc1ccc2cc3cc(C(=O)N(C)c4ccccc4)oc3nc2c1
Answer: a. COc1cc(-n2nc(C)c3c2OC(N)=C(C#N)C3c2ccccc2)c(Cl)c(Br)c1O
{#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#}
COc1cc(-n2nc(C)c3c2OC(N)=C(C#N)C3c2ccccc2)c(Cl)c(Br)c1O
COc1cc(-n2nc(C)c3c2OC(N)=C(C#N)C3c2ccccc2)c(Cl)c(Br)c1O
6-amino-1-(3-bromo-2-chloro-4-hydroxy-5-methoxyphenyl)-3-methyl-4-phenyl-4H-pyrano[2,3-c]pyrazole-5-carbonitrile