Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) N#Cc1ccccc1Cn1c(N2CCC[C@@H](N)C2)nc2[nH]c(Br)cc2c1=O
b) CC(C)N1CCC[C@@H](CN2CCN(C(=O)Nc3ccc(Cl)c(Cl)c3)CC2)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}
2-[[2-[(3R)-3-aminopiperidin-1-yl]-6-bromo-4-oxo-7H-pyrrolo[2,3-d]pyrimidin-3-yl]methyl]benzonitrile