Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 12.368\% 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: Cc1nc2c(-c3ccccc3)cnn2c(N)c1-c1ccccc1
b: Cc1onc(-c2ccccc2Cl)c1C(=O)Nc1nnc(Cc2ccc(Cl)cc2)s1
Answer: a. Cc1nc2c(-c3ccccc3)cnn2c(N)c1-c1ccccc1
{#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#}
5-methyl-3,6-diphenylpyrazolo[1,5-a]pyrimidin-7-amine