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) NCCCCN(Cc1nccc2c3ccccc3n(CCCN3CCNCC3)c12)[C@H]1CCCc2cccnc21
(b) CC(=O)Nc1cccc(C2CCN(CCCn3nc(-c4ccc(F)c(F)c4)c4ccccc4c3=O)CC2)c1
Answer: b
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}
N-[3-[1-[3-[4-(3,4-difluorophenyl)-1-oxophthalazin-2-yl]propyl]piperidin-4-yl]phenyl]acetamide