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: O=C(c1cc(F)ccc1F)C1CCCN(Cc2cccc(Cl)c2)C1
b: COc1ccc(Nc2cc(C(=O)NCCCN3CCN(C)CC3)c3ccccc3n2)cc1OC
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}