Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1ccccc1Cn1ccc2c(OC3CCN(Cc4cscn4)CC3)ncnc21
b. Cl.O=C1CCc2c(Oc3ccc4c(c3)C[C@H](NC(=O)c3cc(-c5cn[nH]c5)cc(C(F)(F)F)c3)CC4)ccnc2N1
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}
4-[[4-[7-[(2-methylphenyl)methyl]pyrrolo[2,3-d]pyrimidin-4-yl]oxypiperidin-1-yl]methyl]-1,3-thiazole