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) CC(C)Oc1ccc(-c2nc(-c3cccc4c3OCCN(C(CO)CO)C4)no2)cc1C#N
b) O=c1ccc(-c2cc3sc(N4CCC(N5CCCCC5)CC4)nc3cn2)c[nH]1
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-[3-[4-(1,3-dihydroxypropan-2-yl)-3,5-dihydro-2H-1,4-benzoxazepin-9-yl]-1,2,4-oxadiazol-5-yl]-2-propan-2-yloxybenzonitrile