Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(CSc1nnc(-c2ccccc2Cl)o1)Oc1ccc(Br)cc1
[b] CC(C)CC1=NC(C(F)(F)F)(C(F)(F)F)c2c(n(CC(C)C)c(=O)[nH]c2=O)N1
Answer: a, b
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}