Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COCC1[C@@H]2CC[C@H]1CN(CCN1CCN(c3cccc(Cl)c3)C1=O)C2
[b] CS(=O)(=O)c1ccc(C(=O)N2CCN(c3ccc(OC4CCN(C5CCC5)CC4)cc3)C(=O)C2)cc1.O=CO
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}
1-(3-chlorophenyl)-3-[2-[(1S,5R)-8-(methoxymethyl)-3-azabicyclo[3.2.1]octan-3-yl]ethyl]imidazolidin-2-one