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) Cc1ccccc1Cn1nc(C)c(NC(=O)c2noc3c2CC(C(C)(C)C)CC3)c1C
b) O=S(=O)(c1ccc(F)cc1)c1nc(-c2ccccc2F)oc1N1CCCCC1
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}