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 other words.
Options:
a: Clc1ccc(-c2cc(COc3ccc4ccccc4c3)no2)cc1
b: O=C(O)CCCN1C(=O)C2C3CC(C2C1=O)C1C(c2ccccc2)c2sc(=O)[nH]c2SC31
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}