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] CCOC(=O)c1c(C)[nH]c(C)c1C(=O)CSc1nnc(-c2ccc(OC(F)F)cc2)o1
[b] CCc1cc(=O)oc2c(CNC(Cc3ccccc3)C(=O)O)c(O)ccc12
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}