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) CC(=O)N1CCN(Cc2ccnc(Nc3ncc(C#N)s3)c2)CC1
b) COc1cc(-c2cn(Cc3cccc(OC(F)(F)F)c3)nn2)ccc1-n1cnc(C)c1
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-acetylpiperazin-1-yl)methyl]pyridin-2-yl]amino]-1,3-thiazole-5-carbonitrile