Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCOC(=O)c1ccc(N2C(=O)CC(N3CCC(Nc4ccc(F)cc4)CC3)C2=O)cc1
[b] CCCCCCn1c(N2CCC(C(N)=O)CC2)nc2c1c(=O)[nH]c(=O)n2C
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}