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, b, or c without using any additional words.
Options:
(a) O=C(NCc1ccncc1)c1ccccc1Nc1ccc(SC(F)F)cc1
(b) COc1ccc(C(=O)N2CCn3c2nc2ccccc23)cc1
(c) Cc1cc(Br)ccc1NC(=O)C(C)c1ccc([N+](=O)[O-])cc1
Answer: 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}