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 other words.
Options:
[a] CCOC(=O)N1CCN(C(=O)c2cc3n(n2)C(C(F)(F)F)CC(c2ccc4c(c2)OCO4)N3)CC1
[b] CC(C)CCOC(=O)C1C2C=CC3(CN(Cc4cccs4)C(=O)C13)O2
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}