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 CCOc1cccc(N2C(=O)CC(N(CCc3ccc(OC)c(OC)c3)C(=O)CC)C2=O)c1
b CCCCCN(C(=O)CCC(=O)OCC(=O)NCc1cccc(OC)c1)c1c(N)n(CCCC)c(=O)[nH]c1=O
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}