Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCCCOc1ccc(/C=C/C(=O)NC2=Nc3ccccc3NC(C)=C2C(=O)OCC)cc1OC
b. CC(=O)c1c(C)[nH]c(C(=O)OCc2nc3ccsc3c(=O)[nH]2)c1C
Answer: a, 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}