Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1c(C2C(C#N)=C(N)N(c3cccc([N+](=O)[O-])c3)C3=C2C(=O)CCC3)cnn1C
(b) COc1ccccc1CNC(=O)[C@@H](NC(=O)C1CCN(C(=O)[C@@H]2CCCN2)CC1)C(C)C
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}