Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1cc(OC)c(OC)cc1/C=N/NC(=O)c1ccc(CSc2nc(C)cc(C)n2)cc1
b) Cc1c(Cl)cccc1N1C(=O)C(N2C(=O)c3cccc([N+](=O)[O-])c3C2=O)C1c1cccs1
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}