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 other words.
Options:
[a] O=C(COc1ccc2ccccc2c1)NNC(=O)C(=O)Nc1ccccc1
[b] CC1(NC(=O)Nc2cc([N+](=O)[O-])ccc2O)CCS(=O)(=O)C1
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}