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] CCN(CCc1c[nH]c2ccccc12)Cc1ccc(C=CC(=O)NO)cc1
[b] Cc1ccc2c(N3CCN(CCc4cccc(N5CCOC5=O)c4)CC3)cccc2n1
Answer: a, 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}
3-[4-[[ethyl-[2-(1H-indol-3-yl)ethyl]amino]methyl]phenyl]-N-hydroxyprop-2-enamide