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 additional words.
Options:
a Cc1ccc(-c2nc(N)c3c(-c4ccc(C)cc4)nn(C(C)(C)C)c3n2)cc1
b Cc1cc(C(=O)OCC(=O)Nc2ccccc2[N+](=O)[O-])c2ccccc2n1
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}