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)c3cc(Br)ccc3NC(=O)[C@@]12C
b) CCOC(=O)c1ccccc1NC(=S)N1CCC(C(N)=O)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}