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. CCOc1cccc2sc(N(CCCN(C)C)C(=O)c3ccc(S(=O)(=O)N(C)CC4CCCO4)cc3)nc12.Cl
b. COc1ccc(C(=O)/C=C/c2ccc(C)cc2)c(OC(=O)c2ccc([N+](=O)[O-])cc2)c1
c. CCn1nc(C)cc1C(=O)OCC(=O)c1ccc(Cl)cc1
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}