Task: Please answer the multiple choice question.
Question: Which molecules are not a 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(F)c([C@@H](O)[C@H](O)C34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1
b COc1cccc2c1OC(c1ccc(OCCCN3CCCC3C)cc1)C(C)S2(=O)=O
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}
6-[[[1-[(1S,2R)-2-(3-fluoro-6-methoxy-1,5-naphthyridin-4-yl)-1,2-dihydroxyethyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one