Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. Cc1nn(Cc2c(Cl)cccc2Cl)c(C)c1NC(=O)/C=C/c1cnn(C)c1C
b. Cc1cc(-c2csc(N)n2)c(C)n1CCc1ccccc1.Cl
c. Cc1onc(-c2ccccc2)c1C(=O)OCc1nnc(-c2ccc([N+](=O)[O-])cc2)o1
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}