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] C[C@H]1Cc2c([nH]c3cc(Cl)ccc23)[C@@]2(N1)C(=O)Nc1ccc(Cl)cc12
[b] C1CCC(C(C[C@H]2CCCC[NH2+]2)C2CCCCC2)CC1
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}
(2R)-2-(2,2-dicyclohexylethyl)piperidin-1-ium