Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1cccc2nc(C#Cc3ccccc3)ccc12
(b) COCCN1CCC[C@H]1Cn1nc(Cc2ccc(Cl)cc2)c2ncccc2c1=O
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}
8-[(4-chlorophenyl)methyl]-6-[[(2S)-1-(2-methoxyethyl)pyrrolidin-2-yl]methyl]pyrido[2,3-d]pyridazin-5-one