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 additional words.
Options:
a: CCOC(=O)CCc1c(C)nc2cc(-c3ccc(Cl)cc3)[nH]n2c1=O
b: COc1cc(NC(=O)c2ccco2)c(C(=O)OCC(=O)Nc2ncc(Cl)cc2Cl)cc1OC
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}