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) O=C(CNC(=O)c1cccc(C(F)(F)F)c1)NC1CCN(C2CCC(O)(c3cccnn3)CC2)C1
b) CSc1ccc2c(c1)N(CC[C@H]1CCCC[NH+]1C)c1ccccc1S2
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}
10-[2-[(2R)-1-methylpiperidin-1-ium-2-yl]ethyl]-2-methylsulfanylphenothiazine