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] CCn1cc(CCCC(=O)NCc2ccccc2OC)c2ccccc21
[b] CCC(C)(C)n1nnnc1C(C(C)C)N(Cc1ccco1)Cc1cc2cc3c(cc2[nH]c1=O)OCO3
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}