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 additional words.
Options:
a: O=C1C(Cl)=C(NCCN2CCOCC2)C(=O)c2ncccc21
b: N#Cc1ccc(CCN2CCN(CCc3ccc4c(c3)COC4=O)CC2)cc1Cl
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}
2-chloro-4-[2-[4-[2-(1-oxo-3H-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]benzonitrile