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 other words.
Options:
a Cc1c(Cl)c([N+](=O)[O-])nn1CCCC(=O)NC(C)c1ccccc1
b NC(=O)C1CCN(C2=C(NS(=O)(=O)c3ccc(Cl)cc3)C(=O)c3ccccc3C2=O)CC1
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}