Problem statement: Answer the multiple choice question.
Question: Which drug has a 6.386\% 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 Clc1cccc(-c2nnc3n2CCCCC3)c1
b Nc1ccc2c(c1)Cc1ccccc1-2
c CC(C)CN(C(=O)COC(=O)c1c2c(nc3ccccc13)CCC2)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
d CC1CN(c2cnn(C(C)C)c(=O)c2Cl)CC(C)O1
Answer: b. Nc1ccc2c(c1)Cc1ccccc1-2
{#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#}
Nc1ccc2c(c1)Cc1ccccc1-2
Nc1ccc2c(c1)Cc1ccccc1-2
9H-fluoren-2-amine