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. O=C(NC1CCN(Cc2ccc3c(c2)OC(F)(F)O3)CC1)c1cc(=O)c2ccc(F)cc2o1
b. CCC(=O)NC(=O)c1ccc(N)cc1CC[NH+](CC)CC
Answer: a, 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}