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 additional words.
Options:
(a) COc1ccc2ncc(=O)n(CCN3CCC(NCc4cc5c(cn4)OCCO5)CC3)c2c1
(b) COc1ccc(-c2cc(NC(=O)CCCN3CCCCC3)[nH]n2)cc1
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}
1-[2-[4-(2,3-dihydro-[1,4]dioxino[2,3-c]pyridin-7-ylmethylamino)piperidin-1-yl]ethyl]-7-methoxyquinoxalin-2-one