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) CC1CCCCN1C(=O)c1ccc(N2CC3CC(C2)c2cccc(=O)n2C3)c([N+](=O)[O-])c1
(b) COc1cccc(CN(CC(=O)NCc2ccc(F)cc2)C(=O)c2ccco2)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}