Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1cnc2ccc(=O)n(CCN3CCC(NC(=O)c4cnc(C)c(C#N)c4)CC3)c2c1
b. CC(C)[C@@H](Nc1nc2cc[nH]c(=O)c2c2cnccc12)C(F)(F)F
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}
6-[[(2R)-1,1,1-trifluoro-3-methylbutan-2-yl]amino]-2H-pyrido[4,3-c][1,6]naphthyridin-1-one