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 other words.
Options:
a. NS(=O)(=O)OCCCCCc1ccccc1
b. CCOC(=O)c1ccc(N2CSC3=C(C#N)C(c4ccc(OC)cc4OC)CC(=O)N3C2)cc1
c. O=S(=O)(Nc1ccc(-c2nc3ccccc3o2)cc1)c1ccccc1
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}