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 or b without using any additional words.
Options:
a O=C(O)c1ccccc1OC(C(=O)Nc1cc(Cl)cc(Cl)c1)c1ccccc1
b O=C(N=Nc1c(O)[nH]c2ccc(Cl)cc12)c1cc(-c2cccs2)nc2ccccc12
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}