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) CC(=O)C1=C(C)Nc2ncnn2C1c1cccc(OCc2ccccc2)c1
(b) CN1C2CCC1CC(OC(=O)c1cc(Cl)cc(Cl)c1)C2.Cl
Answer: a
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}