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] CN1CCc2c(OCC(=O)N3CCCc4ccccc43)cccc2C1=O
[b] C=CCn1c(SCc2ccc(C(=O)O)cc2)nnc1-c1csc(-n2nc(C)cc2C(F)(F)F)n1
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}