Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cl.OC(COc1c(F)cc(Br)cc1F)CN1CCc2ccccc2C1
b: COC(=O)C1=C(C)N(CCCC(=O)O)C(=O)NC1c1ccccc1OS(=O)(=O)c1ccccc1[N+](=O)[O-]
Answer: 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}