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 other words.
Options:
a) O=C(Nc1ccc(Cl)c(Cl)c1)N1CCN(C[C@@H]2CCCN(CCCc3ccccc3)C2)CC1
b) CNC(=O)c1cc(COc2nnc(Nc3ccc(Cl)cc3)c3ccoc23)ccn1
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}
N-(3,4-dichlorophenyl)-4-[[(3R)-1-(3-phenylpropyl)piperidin-3-yl]methyl]piperazine-1-carboxamide