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 O=C(N[C@@H](Cc1ccccc1)C(=O)OCc1ccccc1)c1nc[nH]c1C(=O)N1CCc2ccccc2C1
b COc1ccc(Oc2c(O)c3ccccc3n(C)c2=O)cc1
c Cc1nc2cc(NCc3ccc(Cl)cc3)ccc2n1C
d COc1ccc(F)cc1S(=O)(=O)n1nnc2ccccc21
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}