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(NNC(=O)c1ccc(-n2cncn2)c([N+](=O)[O-])c1)c1ccccc1
[b] CC(=O)C1=NN(c2ccccc2)C(c2ccc3c(c2)OCO3)N1c1ccccc1
[c] CCn1c2ccccc2c(=O)c2ccccc21
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}