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] COc1ccc(-c2cc(-c3ccc(C(=O)N4CCN(C)CC4)cc3)cnc2N)cn1
[b] Cc1ncsc1-c1nnc(CCCCN2CC3C[C@]3(c3ccc(C(F)(F)F)cc3)C2)n1C
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-[6-amino-5-(6-methoxypyridin-3-yl)pyridin-3-yl]phenyl]-(4-methylpiperazin-1-yl)methanone