Task: Please answer the multiple choice question.
Question: Which molecules are not 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) CN1CC2CC1CN2c1ccc(-c2ccc3[nH]ccc3c2)cn1
(b) O=S1(=O)CCC(C2N[C@@H](c3nc(-c4ccccc4)c[nH]3)Cc3c2[nH]c2ccccc32)CC1
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}
5-[6-(5-methyl-2,5-diazabicyclo[2.2.1]heptan-2-yl)pyridin-3-yl]-1H-indole