Task: Please answer the multiple choice question.
Question: Which molecules are 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=C(Nc1cc2cc[nH]c2cn1)c1ccccc1
[b] COc1cc(CN2CCN(CCCCCC(c3ccc(F)cc3)c3ccc(F)cc3)CC2)cc(OC)c1OC
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}
1-[6,6-bis(4-fluorophenyl)hexyl]-4-[(3,4,5-trimethoxyphenyl)methyl]piperazine