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=C1NC(=O)C(=Cc2ccc3c(c2)OC(F)(F)O3)S1
(b) O=C(N[C@H]1CCc2ccc(CCN3CCN(c4nsc5ccccc45)CC3)cc21)c1ccno1
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}
5-[(2,2-difluoro-1,3-benzodioxol-5-yl)methylidene]-1,3-thiazolidine-2,4-dione