Task: Please answer the multiple choice question.
Question: Which molecules are 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. N#Cc1ccccc1C[C@@H](C(=O)O)N1CCC(CN2CCC(Oc3ccc(Cl)c(Cl)c3)CC2)CC1
b. O=C(NC1CCN(Cc2ccn(-c3ccc(C(F)(F)F)cc3)c2)CC1)N1CCC(O)(Cc2ccccc2)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}
4-benzyl-4-hydroxy-N-[1-[[1-[4-(trifluoromethyl)phenyl]pyrrol-3-yl]methyl]piperidin-4-yl]piperidine-1-carboxamide