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 or b without using any other words.
Options:
a. O=C(Oc1cccc(C(=S)N2CCOCC2)c1)c1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
b. CCn1ncc(Cl)c1C(=O)NC(=S)Nc1c(C)cc(C)cc1[N+](=O)[O-]
Answer: a, b
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}