Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(CCCCCCC(=O)Nc1cccnc1)NO
b: Cc1ccc2cc(C(=O)c3cnn(-c4ccc5nc(C)[nH]c5c4)c3N)[nH]c2c1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
N'-hydroxy-N-pyridin-3-yloctanediamide