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 CC1CCCN1CCCOc1ccc(N2CCN(C(=O)c3ccc(C#N)cc3)CC2=O)cc1
b Cc1cc(Cl)ccc1OC1CCN(C[C@H](O)CNC(=O)c2cn[nH]c2C(F)(F)F)CC1
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-[4-[4-[3-(2-methylpyrrolidin-1-yl)propoxy]phenyl]-3-oxopiperazine-1-carbonyl]benzonitrile