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) COc1cc(NC(=O)CSc2nnnn2-c2ccccc2)cc(OC)c1OC
(b) COc1cc(/C=C2\SC(=O)N(CC(=O)Nc3ccccc3F)C2=O)cc(Cl)c1O
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}