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=C1NC(=O)C(c2c[nH]c3ccccc23)=C1c1c[nH]c2ccccc12
[b] N#Cc1cnc(Nc2cc(NC[C@H]3CNCCO3)c(-c3cccc(F)c3)cn2)cn1
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}
3,4-bis(1H-indol-3-yl)pyrrole-2,5-dione