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] Cc1ccc2c(N3CCN(CCc4cccc5c4OCc4c(C)nnn4-5)CC3)cccc2n1
[b] CNc1cc(Nc2cnc(C#N)c(O[C@H](C)CN(C)C)n2)ncc1-c1cnn(C)c1
[c] [O-][S+](c1ccc(C=Cc2ccc(F)cc2F)nc1)c1ccccc1F
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}
3-[(2R)-1-(dimethylamino)propan-2-yl]oxy-5-[[4-(methylamino)-5-(1-methylpyrazol-4-yl)pyridin-2-yl]amino]pyrazine-2-carbonitrile