Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CN1C(C(=O)Nc2ccc(OC(F)(F)F)cc2)=CC(c2ccc3c(c2)OCO3)=NS1(=O)=O
b: O=C(CN1CCN(Cc2ccccc2)CC1)Nc1cccc(Cl)c1
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}