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 additional words.
Options:
[a] CCOC(=O)C1(Cc2cccc(OC)c2)CCN(Cc2cccn2-c2nccs2)CC1
[b] COc1c(C)cc(C(=O)C2CCCN(Cc3cccc(O)c3)C2)cc1C
[c] O=C(C[n+]1cc(-c2ccc(Cl)c(Cl)c2)n2c1CCC2)OCc1ccccc1.[Br-]
[d] O=C(Nc1c(-c2ccccc2)nc2ccccn12)c1cccc(F)c1
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}