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. CCOC(=O)C(C(=O)OCC)C(C)(C)/C(C)=N\Nc1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
b. O=C(O)c1ccc(Cl)cc1NC(=O)C1CCCO1
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}