Task: Please answer the multiple choice question.
Question: Which molecules are not 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)ccc5ccc(Oc6cncnc6)nc54)CC3)nc2N1
b. N#Cc1ccc2cc1Oc1cc(Cl)cc(c1)CN1CC[C@@H](NCc3cncn3C2)C1=O
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-(2-oxo-7-pyrimidin-5-yloxy-1,8-naphthyridin-1-yl)ethyl]piperidin-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one