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, c, or d without using any other words.
Options:
a O=C1CC(C(F)(F)C(F)(F)C(F)(F)C(F)F)=Nc2ccccc2N1
b CC(=O)c1cnc2cc(-c3cccc(Br)c3)nn2c1C
c COc1ccc(-c2nn(C)c3sc(C(=O)NCc4ccco4)cc23)cc1OC
d O=C(Nc1ccccc1)N(O)c1ccc(Cl)cc1
Answer: a, b, c, d
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}