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 CC(=O)O/N=C(/c1nonc1N)N1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1
b N#CC(C(=O)NC1CCCCC1)c1nc2ccccc2nc1N1CCC(C(N)=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}