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 other words.
Options:
a CC(C)(C)OC(=O)NCCC[NH+](Cc1cncn1Cc1ccc(C#N)cc1)[C@@H]1CCN(Cc2cccc(Cl)c2)C1=O
b CC(C)Oc1cc(-n2cnc3ccc(N[C@@H](C)c4ccc(F)cn4)nc32)n[nH]1
c CC(C)Oc1cc(Nc2nc(N[C@@H](C)c3ccc(F)cn3)ncc2Cl)[nH]n1
d COc1ccc(C#Cc2cccc(C#Cc3ccc(OC)cc3)[n+]2C)cc1
Answer: a, c, 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-(4-methoxyphenyl)ethynyl]-1-methylpyridin-1-ium