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. COc1ccc2ncc(=O)n(CCN3CC[C@@H](NCc4cc5c(cn4)OCCO5)[C@H](O)C3)c2c1
b. Cc1nnc(-c2ccc(CN3C[C@H](N)[C@H](C(=O)N4CCC[C@H]4C#N)C3)cc2)o1
Answer: a, 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}
(2S)-1-[(3R,4R)-4-amino-1-[[4-(5-methyl-1,3,4-oxadiazol-2-yl)phenyl]methyl]pyrrolidine-3-carbonyl]pyrrolidine-2-carbonitrile