Task: Answer the MCQ question.
Question: Which compound exhibits a 7.278\% 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) O=C(O)C1CCCCC1C(=O)Nc1ccc2c(c1)OCCO2
b) COc1ccc(OC)c(C2C(C#N)=C(N)Oc3c2c(C)nn3-c2cccc(Cl)c2)c1
Answer: b. COc1ccc(OC)c(C2C(C#N)=C(N)Oc3c2c(C)nn3-c2cccc(Cl)c2)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#}
6-amino-1-(3-chlorophenyl)-4-(2,5-dimethoxyphenyl)-3-methyl-4H-pyrano[2,3-c]pyrazole-5-carbonitrile