Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CN(C)S(=O)(=O)c1ccccc1C#N
b. Cc1ccc2c(c1)nnn2C1CCN(CC(=O)Nc2cc(C)on2)CC1
c. COC(=O)Nc1ccc(S(=O)(=O)N(CCO)CC(F)(F)C(F)F)cc1
Answer: a, 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}