Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1ccc(S(=O)(=O)N2CCOCC2)cc1C(=O)OCC(=O)N(Cc1ccccc1)C(C)C
(b) COc1ccc(Nc2nc(N3CCN(C)CC3)nc3ccccc23)c(OC)c1
Answer: 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}