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) COc1ccc(CN2CCN(Cc3ccccc3)C(CCO)C2)cc1OC
(b) CC(C)CC(C(=O)NC1CCCCC1)N(Cc1cccs1)C(=O)c1snc(C(N)=O)c1N
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}