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 additional words.
Options:
(a) O=C(NC1CCN(C(=O)N2c3ccccc3Sc3ccccc32)CC1)c1ccccc1Cl
(b) CCN(CCCNC(=O)CNC(=O)c1nn(-c2ccc(OC)cc2)c(=O)c2ccccc12)c1cccc(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}