Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(NCc1ccccn1)C1CCC(CNS(=O)(=O)c2cccc3nsnc23)CC1
[b] Cc1cccc(NC(=O)c2ccc(N3C(=O)C4C5C=CC(C6CC56)C4C3=O)cc2)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}