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 other words.
Options:
a. Cc1cc(CNC(=O)c2cccc([N+](=O)[O-])c2C)c2ccccc2n1
b. COc1cc(C2SCC(=O)Nc3c2c(C)nn3-c2ccccc2)cc(OC)c1OC
c. CCCC(=O)Nc1nnc(SCC(=O)Nc2nc(C)cs2)s1
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}