Task: Please answer the multiple choice question.
Question: Which molecules are 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] CC(C)(O)CNC(=O)c1ccc(C2(c3ccc(OCc4ccccn4)cc3)CCCO2)cn1
[b] COn1cc(C2=N[C@@](c3ccc(F)cc3)(c3ccc(F)nc3)[C@H](C)N2)ccc1=O
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}
5-[(4S,5S)-4-(6-fluoranylpyridin-3-yl)-4-(4-fluorophenyl)-5-methyl-1,5-dihydroimidazol-2-yl]-1-methoxy-pyridin-2-one