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 additional words.
Options:
a. O=C(NC1CCN(Cc2ccc3c(c2)OCCO3)CC1)C1=CC(=O)c2ccc(F)cc2C1
b. Nc1ccnc(N2CCC(NC(=O)c3ccccn3)(c3ccccc3)CC2)c1
Answer: 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}
N-[1-(4-aminopyridin-2-yl)-4-phenylpiperidin-4-yl]pyridine-2-carboxamide