Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. O=C(NCc1ccccn1)Nc1ccccc1C(F)(F)F
b. CCCCn1c(N)c(-c2nc3ccccc3s2)c2c([N+](=O)[O-])nn(CC)c(=O)c21
c. COc1ccc2[nH]c(=O)c(CN(c3ccc(C)c(C)c3)S(C)(=O)=O)cc2c1
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}