Task: Please answer the multiple choice question.
Question: Which molecules are 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: O=C1COc2ccc(CNC3CCN(CCN4C(=O)COc5ccc(-c6ccco6)cc54)CC3)nc2N1
b: CN(C(=O)c1ccc(-c2ccccn2)cc1)[C@H]1CCc2cc(CN3CCS(=O)(=O)CC3)ccc2C1
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-[2-[6-(furan-2-yl)-3-oxo-1,4-benzoxazin-4-yl]ethyl]piperidin-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one