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, c, or d without using any other words.
Options:
a Nc1ccc(S(=O)(=O)c2ccc(Cl)cc2)cc1
b O=C(COc1ccccc1)N1CCN(C(=O)c2ccccc2F)CC1
c O=C(Cn1cnc2scc(-c3cccc([N+](=O)[O-])c3)c2c1=O)NCc1ccco1
d CC(O)CCC(=O)NNC1CC(=O)N(c2ccccc2)C1=O
Answer: c
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}