Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C1CC2CCc3cc(OC4CCN(C5CCC5)CC4)ccc3C2=NN1
b. Cc1c(CCN2CCNCC2)ccc2cc(F)ccc12
Answer: a, 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}
1-[2-(6-fluoro-1-methylnaphthalen-2-yl)ethyl]piperazine