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) CC(=O)Cn1c(CN2CC(C)CC(C)C2)nc2c1c(=O)n(C)c(=O)n2C
(b) CC(CS(=O)(=O)c1ccc2c(c1)NC(=O)CS2)C(=O)N1CCN(c2cccc(Cl)c2)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}