Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COC(=O)[C@@H]1C[C@]2(C(=O)O)c3ccccc3N(OOSc3ccccc3)[C@@H]2N1C(=O)OC
(b) Cc1ccc(NC(=S)N2CCN(C(=O)c3ccccc3)CC2)c(C)c1
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}