Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCCNS(=O)(=O)c1ccc(OCC(=O)N2CCN(Cc3ccc4c(c3)OCO4)CC2)c(C)c1
b. COC(=O)CCCC1=CC2=CC(=O)C(C)(OC(=O)c3cccs3)C(=O)C2=CN1CCc1ccccn1
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}