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) C[NH+]1CCC[C@H](c2c(-c3ccccc3)[nH]c3ccccc23)C1
(b) N[C@H]1CCCC[C@H]1Nc1cc2nc[nH]c(=O)c2c(Nc2cccc3cc[nH]c23)n1
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}
3-[(3R)-1-methylpiperidin-1-ium-3-yl]-2-phenyl-1H-indole