Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cc1ccc(NC(=S)NC(NC(=O)c2ccccc2)C(Cl)(Cl)Cl)c(C)c1
b) CO/N=C(\Cn1ncc(N2CCCC2)c(Cl)c1=O)c1ccc(Cl)cc1
Answer: a
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}