Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CC1CCN(C(=O)c2ccccc2NC(=O)c2cccs2)CC1
b. COc1cccc(OCCNc2cc(N3CCCCC3)ccc2[N+](=O)[O-])c1
c. O=C1CCC([N+](=O)[O-])C(c2cccc(Br)c2)N1
Answer: a, b, c
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}