Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCN1C(=O)C(CC(=O)Nc2ccc(OC)cc2)N(CCCN2CCN(c3ccc(OC)cc3)CC2)C1=S
b. Cn1c(=O)c(C(=O)COC(=O)c2cc(C(F)(F)F)nc3ccccc23)c(N)n(Cc2ccccc2)c1=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}