Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C(N/N=C/c1c(O)n(C2CCCCC2)c(=S)[nH]c1=O)c1ccccc1
b) O=c1cc(-c2ccccc2)nc(Cc2c(Cl)cccc2Cl)[nH]1
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}