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. Cc1ccc(S(=O)(=O)c2nc(-c3ccccc3F)oc2N2CC(C)OC(C)C2)cc1
b. CCCN(C(=O)COC(=O)C12CCC(=O)N1c1ccccc1S2)c1c(N)n(Cc2ccccc2)c(=O)[nH]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}