Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1c([C@H](O)CN2CCN(C(=O)Cc3ccc(-n4cnnn4)nc3)CC2)ccc2c1COC2=O
b: CC(C)(Cc1ccc2ccccc2c1)NCC(O)COc1ccccc1C#N
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
4-methoxy-5-[(1S)-1-oxidanyl-2-[4-[2-[6-(1,2,3,4-tetrazol-1-yl)pyridin-3-yl]ethanoyl]piperazin-1-yl]ethyl]-3H-2-benzofuran-1-one