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 additional words.
Options:
[a] O=C(O)CC(=O)Nc1ccccc1
[b] CCn1c2nc(SCCN3CCOCC3)nnc2c2cc(C)cc(C)c21
[c] O=c1nc(SCc2cccc(C(F)(F)F)c2)nc2ccccn12
Answer: a, 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}