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] O=c1c2ccccc2c(C=Nc2ccc(S(=O)(=O)N3CCCCC3)cc2)c(O)n1-c1ccc(Cl)cn1
[b] COc1cccc(OCCSc2nc3ccccc3c(=O)[nH]2)c1
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}