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 additional words.
Options:
a: Cc1ccc(Nc2nc(N)nc(CSc3nc(C)cc(C)n3)n2)cc1
b: COc1ccc(S(=O)(=O)c2c(O)c3ccc(C(=O)Nc4ccccc4)cc3[nH]c2=O)cc1
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}