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 additional words.
Options:
a) O=C(O)CCc1cc2cc(-c3cc(OC(F)(F)F)ccc3F)ccc2o1
b) COc1ccc(C23CC2CN(CCCSc2nnc(-c4cccc5nc(C)ccc45)n2C)C3)cc1
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}
3-[5-[2-fluoro-5-(trifluoromethoxy)phenyl]-1-benzofuran-2-yl]propanoic acid