Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1occc1-c1ncc(OC[C@@H](N)Cc2c[nH]c3ccccc23)cc1-c1cnc2c(C)n[nH]c2n1
b) COCCN1CCC[C@H](Cn2c(-c3cccnc3C)nc3cn(C4CCCCC4)nc3c2=O)C1
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}
(2S)-1-(1H-indol-3-yl)-3-[6-(2-methylfuran-3-yl)-5-(3-methyl-1H-pyrazolo[3,4-b]pyrazin-6-yl)pyridin-3-yl]oxy-propan-2-amine