Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) COc1cc(C=Cc2nc3sc(C)c(C)c3c(=O)[nH]2)ccc1-n1cnc(C)c1
b) C[C@@H]1CCCN1CCCOc1ccc(C2=NNC(=O)C3CC23)cc1
c) CCC(NCCCC[C@@H](C[C@@H](OC)c1ccc(F)cc1)C(=O)NO)c1ccc(F)cc1
d) C[n+]1c(C#CC2CCCCC2)cccc1C#CC1CCCCC1
Answer: d
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}
2,6-bis(2-cyclohexylethynyl)-1-methylpyridin-1-ium