Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1nn(CCc2n[nH]c(=S)n2-c2ccc(Cl)cc2)c(C)c1[N+](=O)[O-]
(b) Cn1c(=O)c2c(nc(NCCO)n2CCc2ccccc2)n(C)c1=O
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}