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=S(=O)(c1ccc(Cl)cc1)N1CCNCC1
(b) Cc1cc(C)c(Nc2cc(S(=O)(=O)[O-])c(N)c3c2C(=O)c2ccccc2C3=O)c(C)c1.[Na+]
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}