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. CNC(=O)c1ccc(-c2ccc3c(c2)CCN(CCN2CCC[C@H]2C)C3=O)cc1
b. COC(=O)C(CCCN1CCN(c2ccccc2OC)CC1)(c1ccc(Br)cc1)C(C)C
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}
N-methyl-4-[2-[2-[(2R)-2-methylpyrrolidin-1-yl]ethyl]-1-oxo-3,4-dihydroisoquinolin-6-yl]benzamide