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. COc1ccc2[nH]c(CN3CCN(CC=C(C)C)C(CCO)C3)c(C)c2c1
b. OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCCC1
c. COC(=O)c1ccc(CNC(=O)CSc2nnc(COc3ccccc3)n2C)o1
d. COc1ccc(S(=O)(=O)Nc2cccc(-c3ccc4nncn4n3)c2)c(OC)c1
Answer: b
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}