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) COc1ccc(/C(C)=N/OCC(=O)N2CC3(C)CC2CC(C)(C)C3)cc1
(b) C/C(=N\NS(=O)(=O)c1ccc(Cl)c([N+](=O)[O-])c1)c1ccc(C)o1
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}