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] COc1cccc(NC(=O)CN(C)C(C)C(=O)Nc2ccc(C(C)=O)cc2)c1
[b] COc1ccccc1Cn1c(=S)[nH]c2cc(C(=O)NCC3CCCO3)ccc2c1=O
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}