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. N[C@H]1CO[C@@H]1COc1ccc2ncc(F)c(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1
b. CN(CC1(O)CCCCC1)C(=O)NC1CCN(Cc2ccn(-c3ccc(C(F)(F)F)cc3)c2)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}
6-[[[1-[2-[6-[[(2S,3S)-3-aminooxetan-2-yl]methoxy]-3-fluoro-1,5-naphthyridin-4-yl]ethyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one