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 additional words.
Options:
a: O=c1[nH]nc2c3cc(-c4ccccc4)c(-c4ccc(CN5CCC(c6nnc(-c7ccccn7)[nH]6)CC5)cc4)nc3ccn12
b: O=C(O)[C@H](Cc1ccccn1)N1CCC(CN2CCC(Oc3ccc(CO)c(Cl)c3)CC2)CC1
Answer: b
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}
(2S)-2-[4-[[4-[3-chloro-4-(hydroxymethyl)phenoxy]piperidin-1-yl]methyl]piperidin-1-yl]-3-pyridin-2-ylpropanoic acid