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] COc1ccc(S(=O)(=O)N2CCOCC2)cc1NC(=O)CSc1cccc[n+]1[O-]
[b] CCn1c(COC(=O)CNC(=O)c2cc(OC)c(OC)c(OC)c2)nc2cc(S(=O)(=O)N(C)C)ccc21
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}