Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(-c2cc3ccccc3n2CC(O)CNCCO)cc1.O=C(O)C(=O)O
b. CCOc1ccc(S(=O)(=O)NCCC(=O)OCC(=O)N2CC(=O)Nc3ccccc32)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}