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) CN(C)Cc1ccc2c(c1)CCN(C(=O)c1cc3cc(Br)ncc3n1C)C2
b) O=C(O)c1cccc(-c2c[nH]c([C@H]3Cc4c([nH]c5ccccc45)[C@@H](C4CCOCC4)N3)n2)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}
(5-bromo-1-methylpyrrolo[2,3-c]pyridin-2-yl)-[6-[(dimethylamino)methyl]-3,4-dihydro-1H-isoquinolin-2-yl]methanone