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(C)nc(NS(=O)(=O)c2ccc(NC(=O)C3CC3)cc2)n1
b. CN(CCC1CCOCC1)C(=O)C1CCC(=O)N(CCc2ccc(Cl)cc2)C1
c. O=C(OCc1nnc(-c2ccccc2)o1)c1cc(=O)[nH]c2ccccc12
d. CCCC(=O)Nc1c(-c2ccccc2Cl)c(=O)c2ccccc2n1C
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}