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. COCC[C@@H]1C[C@H](N(C)C(C)C)CC[C@@H]1NC(=O)CNC(=O)c1cccc(C(F)(F)F)c1
b. CN(C)C(=O)[C@@H](c1ccc(-c2ccc(F)cc2)cc1)[C@H](N)C(=O)N1CC[C@H](F)C1
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}
(2S,3S)-3-amino-2-[4-(4-fluorophenyl)phenyl]-4-[(3S)-3-fluoropyrrolidin-1-yl]-N,N-dimethyl-4-oxobutanamide