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 or b without using any other words.
Options:
[a] CS(=O)(=O)C1CCN(Cc2ccnc(Nc3ncc(C#N)s3)c2)CC1
[b] Cc1ccc2c(N3CCN(CCc4cccc5c4ccc(=O)n5C)[C@H](C)C3)cc(F)cc2n1
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}
2-[[4-[(4-methylsulfonylpiperidin-1-yl)methyl]pyridin-2-yl]amino]-1,3-thiazole-5-carbonitrile