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] O=C(Cn1nnc(-c2ccccc2)n1)N1CCN(c2ccc(F)cc2)CC1
[b] O=[N+]([O-])c1cc(/C=N\O)ccc1Oc1ccc(F)cc1
[c] COc1ccc(CN2CC(C(=O)NCc3ccccn3)CC2=O)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}