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 additional words.
Options:
a: O=C1N=c2ccccc2=[N+]1CCC[NH+]1CCC([N+]2=c3ccc(Cl)cc3=NC2=O)CC1
b: CCn1c(C(=O)N(C2CC2)C2CC2)cc2c3c(ncn3C)c(Nc3cc(C)n(C)n3)nc21
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}
1-[3-[4-(5-chloranyl-2-oxidanylidene-benzimidazol-1-ium-1-yl)piperidin-1-ium-1-yl]propyl]benzimidazol-1-ium-2-one