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. COc1ccc(CCN(C)CCC[C@@](C#N)(c2cc(OC)c(OC)c(OC)c2)C(C)C)cc1OC
b. N[C@H](C(=O)N1CCC(F)C1)C1CCC(NC(=O)c2ccc(F)c(F)c2)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}
N-[4-[(1S)-1-azanyl-2-(3-fluoranylpyrrolidin-1-yl)-2-oxidanylidene-ethyl]cyclohexyl]-3,4-bis(fluoranyl)benzamide