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] O=[N+]([O-])c1cccnc1N1CCC(c2cc(-c3cccc(C(F)(F)F)c3)n[nH]2)CC1
[b] Cc1ccn(C(C)CC(=O)Nc2ccc(-c3ccno3)cc2)n1
Answer: a, 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}