Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCOc1ccc2nc(NC(=O)CSc3nc4c(c(=O)n(C)c(=O)n4C)n3C(C)C)sc2c1
[b] C/C(=N\NC(=O)c1ccccc1)c1ccc2c(c1)OCO2
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}