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, b, or c without using any other words.
Options:
[a] O=C(Nc1ccc(-c2nnc(NCCCCN3CCOCC3)o2)c(F)c1)c1ccccc1F
[b] COc1cccc(-c2nnc(CCCCCN3CC4C[C@]4(c4ccc(C(F)(F)F)cc4)C3)n2C)c1
[c] O=C(NC(c1ccc(Cl)cc1)c1ccc(Cl)cc1)[C@@H]1CC[C@@H](N2CCOCC2)C[C@H]1c1ccc(Br)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}
2-fluoro-N-[3-fluoro-4-[5-(4-morpholin-4-ylbutylamino)-1,3,4-oxadiazol-2-yl]phenyl]benzamide