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, b, or c without using any additional words.
Options:
[a] COC(=O)CCCCOc1ccc2ncc(F)c(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1
[b] CC(=O)NC(c1ccccc1-c1cc(Cl)cc(Cl)c1)C(c1cccnc1)c1cccnc1
[c] C[NH+]1[C@H]2CC[C@@H]1[C@@H](C(=O)[O-])[C@H](OC(=O)c1ccccc1)C2
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}
methyl 5-[[7-fluoro-8-[2-[4-[(3-oxo-4H-pyrido[3,2-b][1,4]oxazin-6-yl)methylamino]-2-oxabicyclo[2.2.2]octan-1-yl]ethyl]-1,5-naphthyridin-2-yl]oxy]pentanoate