Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C[C@@H]1CN(c2ccc3c(n2)NC(=O)CO3)[C@H](c2ccccc2)CO1
b: O=C(c1ccccc1)N1CCN(c2ccc(OCCCN3CCCCC3)cc2)C(=O)C1
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}
6-[(2R,5R)-2-methyl-5-phenylmorpholin-4-yl]-4H-pyrido[3,2-b][1,4]oxazin-3-one