Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCCCc1cc(=O)oc2cc(OCC(=O)NC3CC(C)(C)NC(C)(C)C3)ccc12
(b) CCc1ccc(-c2csc3ncn(Cc4ccc(C(=O)O)cc4)c(=O)c23)cc1
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}