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(c1ccc2c(=O)n(Cc3ccc4c(c3)OCO4)c(=O)[nH]c2c1)N1CCN(c2ccccc2)CC1
b. Cc1cc2occ(CC(=O)NC3CCCc4ccccc43)c2cc1C
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}