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) O=C([C@@H]1C[C@H]1c1ccc(C(F)(F)F)cc1)N1CCN(S(=O)(=O)c2cc(C(O)C(F)(F)F)cc(C(F)(F)F)c2)CC1
(b) Cc1ncc(CNC2CCN(CCN3C(=O)C=CC4C3C=CC(=O)N4C)CC2)cc1C#N
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}
2-methyl-5-[[[1-[2-[5-methyl-2,6-bis(oxidanylidene)-4a,8a-dihydro-1,5-naphthyridin-1-yl]ethyl]piperidin-4-yl]amino]methyl]pyridine-3-carbonitrile