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) CN(C)CCNc1nc2c(c(=O)[nH]c(=O)n2C)n1CC(O)COc1ccc(Cl)cc1Cl
(b) Cc1ccc(C(=O)NNC(=S)Nc2cccc(Cl)c2Cl)cc1[N+](=O)[O-]
Answer: 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}