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, b, or c without using any other words.
Options:
(a) CCN1CCN(C(=S)c2ccc([N+](=O)[O-])cc2)CC1
(b) COc1cccc(N/C=C(\C#N)c2ccc(OCCCF)cc2)c1
(c) CCN1CCN(c2oc(/C=C/c3ccccc3)nc2C#N)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}