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=C1C2C3C=CC(CNS(=O)(=O)c4ccccc4[N+](=O)[O-])(O3)C2C(=O)N1c1ccccc1
b: COc1ccc(/C=C/C(=O)Nc2nc(C)c(C(=O)N(C)C)s2)cc1OC
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}