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) CN1C2CCC1CC(Oc1cccc(C(N)=O)c1)C2
b) COc1cnc2ccc(=O)n(CCN3CCN(c4nc5ccccc5[nH]4)CC3)c2c1
Answer: b
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-[2-[4-(1H-benzimidazol-2-yl)piperazin-1-yl]ethyl]-7-methoxy-1,5-naphthyridin-2-one