Task: Please answer the multiple choice question.
Question: Which molecules are 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.) O=C1NCc2ccc(OCCCN3CCN(c4cccc5cc(F)c(F)cc45)CC3)cc21
b.) Cc1cc(CN2CC(C(=O)C3CCC[C@H]3C#N)[C@@H](N)C2)cc(C)c1C#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}
6-[3-[4-(6,7-difluoronaphthalen-1-yl)piperazin-1-yl]propoxy]-2,3-dihydroisoindol-1-one