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. Cc1cc(N2CCN(C)CC2)n2cc(-c3ccc(F)cc3)nc2n1
b. COc1ccccc1-c1nc(C#N)c(N2CCCCCC2)o1
c. COc1ccccc1OCC(=O)OCC(=O)NCCN1C(=O)CSC1=O
d. CC(C)OC(=O)C1C2C=CC3(CN(Cc4cccs4)C(=O)C13)O2
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}