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)c1cc2ccccc2n1-c1ccccc1
b O=S(=O)(c1ccccc1)c1cnn(-c2ccccc2)c1-c1ccc(Cl)cc1
c O=C(Nc1cccc([N+](=O)[O-])c1)c1cnccn1
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}