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 additional words.
Options:
a.) CCc1nc(N2CCN(C(=O)c3ccco3)CC2)c2oc3ccccc3c2n1.Cl
b.) CN1C(=O)N(C)C(=O)C2(Cc3cc([N+](=O)[O-])ccc3N(C)C2)C1=O
Answer: 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}