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 other words.
Options:
a) Cc1cc(N2CCN(CC(O)C(F)(F)F)CC2)c2ccccc2n1
b) CN1CCN(Cc2nnc3n2-c2ccc(Cl)cc2C(c2ccccc2)=NC3)CC1.O=CO
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}