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: Cc1nocc1C(=O)Nc1ccc(-c2ccccc2OC(F)(F)F)c(N)n1
b: CCc1c(C2CCN(CCCSc3ccc(F)cc3)CC2)c2ccc(F)cc2n1CC(=O)O
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}
2-[2-ethyl-6-fluoro-3-[1-[3-(4-fluorophenyl)sulfanylpropyl]piperidin-4-yl]indol-1-yl]acetic acid