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. COc1ccc(Cl)cc1C(=O)NC(=S)Nc1cc(-c2nc3ccccc3[nH]2)ccc1C
b. CCCC(=O)c1ccc(N2CCN(C(=O)c3ccc(Br)cc3)CC2)c(F)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}