Task: Please answer the multiple choice question.
Question: Which molecules are not 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 COc1cc(OC)cc(C(=O)NCC2(C#N)CCN(CCc3ccccc3)CC2)c1
b O=C(NC1CCCCC1)NS(=O)(=O)c1ccc(OCCN2CCCC2)cc1
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}
1-cyclohexyl-3-[4-(2-pyrrolidin-1-ylethoxy)phenyl]sulfonylurea