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. CCOC(=O)[C@@H]1[C@H]2COc3ccc(Br)cc3[C@@H]2N2C(=O)N(c3ccc(C)cc3)C(=O)[C@]12C
b. COc1ccc(N2CCN(Cc3cc4c(cc3Br)OCCO4)CC2)cc1
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}