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=c1c2cnn(-c3ccccc3)c2ncn1Cc1ccccn1
(b) O=C(Nc1ccccc1)C1=C[C@H](c2ccc3c(c2)OCO3)C[C@H](OCc2ccc(CO)cc2)O1
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}