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 CCCN(CCC)C(=O)c1cn(C)c2ccc(S(=O)(=O)N3CCCC3)cc2c1=O
b CCOC(=O)N1CCC(NC(=O)C2CCCN(Cc3nc(-c4cccc(C)c4)oc3C)C2)CC1
c Cc1c(C(=O)NC2CCCc3ccccc32)cccc1[N+](=O)[O-]
d O=C(COc1ccc(F)cc1Cl)Nc1ccccc1C(=O)N1CCCCC1
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}