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, b, or c without using any additional words.
Options:
a: CCCCN(C)C(=O)C1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1.O=C(O)C(=O)O
b: Cc1cccc(OCC(=O)NNC(=O)C2CCN(c3ncnc4sc(C)c(C)c34)CC2)c1
c: COc1ccccc1NC(=O)c1ccccc1C(=O)Nc1ccccc1OC
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}