Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) N#Cc1ccc2ccc(=O)n(CCN3CC[C@H](NCc4ccc5c(n4)NC(=O)CO5)[C@@H](O)C3)c2c1
(b) CCOC(=O)C1CCC(N2CC(NC(=O)CNc3nn(CC)c4ccc(C(F)(F)F)cc34)C2)CC1
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}
2-oxidanylidene-1-[2-[(3S,4S)-3-oxidanyl-4-[(3-oxidanylidene-4H-pyrido[3,2-b][1,4]oxazin-6-yl)methylamino]piperidin-1-yl]ethyl]quinoline-7-carbonitrile