Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CS(=O)(=O)N(CC(=O)Nc1c(F)cccc1F)c1ccc(C23CC4CC(CC(C4)C2)C3)cc1
b) COc1ccc(F)c(CN(C)CC2CCCN(CCc3ccc(F)cc3)C2)c1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}