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 additional words.
Options:
(a) CC(Sc1nc2c(c(=O)[nH]1)CCCC2)C(=O)Nc1ccc(Br)cn1
(b) CC1CN(c2nc(N(C)c3ccccc3)nc(N)c2[N+](=O)[O-])CC(C)O1
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}