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 additional words.
Options:
[a] CC(C)[NH2+]C[C@H](O)c1ccc(NS(C)(=O)=O)cc1
[b] COc1cccc2cc3n(c12)CCN(CCCCNC(=O)c1cc2ccccc2cn1)C3
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}
N-[4-(6-methoxy-3,4-dihydro-1H-pyrazino[1,2-a]indol-2-yl)butyl]isoquinoline-3-carboxamide