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 other words.
Options:
(a) O=[N+]([O-])c1ccc(S(=O)(=O)NCC2COc3ccccc3O2)cc1
(b) CC(=O)c1cccc(NC(=O)C(C)OC(=O)CN2C(=O)NC(C)(C)C2=O)c1
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}