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=[N+]([O-])c1ccc(C2=CSC3=NCCN23)cc1
b) Cc1nc2ccccc2n1S(=O)(=O)c1ccc(F)cc1
c) CC(=O)Oc1ccc(N2C(=O)c3cccc4c([N+](=O)[O-])ccc(c34)C2=O)cc1
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}