Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) C[C@@H](Oc1nc(-c2cnn(C(F)F)c2)cc2ncsc12)[C@H]1CNC(=O)O1
b.) CC(C)c1cccc(Nc2cc(N[C@@H]3CCCC[C@@H]3N)nnc2C(N)=O)n1
c.) O=[N+]([O-])c1ccc(CCNCCOc2ccc([N+](=O)[O-])cc2)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}
(5R)-5-[(1R)-1-[[6-[1-(difluoromethyl)pyrazol-4-yl]-[1,3]thiazolo[5,4-c]pyridin-4-yl]oxy]ethyl]-1,3-oxazolidin-2-one