Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(NC(Cc1c[nH]c2ccccc12)C(=O)Nc1ccc(F)c([N+](=O)[O-])c1)c1cccs1
(b) CC(=C/c1ccccc1)/C=N/NC(=O)c1cccs1
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}