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) CC(C)(C)c1nc(N2CCN(C(=O)c3ccco3)CC2)c2nnn(Cc3ccccc3Cl)c2n1
(b) O=C(O)c1cccc(NC(=S)N/N=C/c2ccccc2OCc2ccc(Br)cc2)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}