Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Cc1ccc(Nc2nc(N)nc(CN3CCCCCC3)n2)cc1
b: COc1ccc(CCN2CC(C(=O)N(C)CC(=O)Nc3cccc(F)c3)CC2=O)cc1OC
c: O=C(NC1CC1)c1ccc(C2SCC(=O)N2Cc2ccccc2)cc1
d: Cc1ccc(N2CC(C(=O)Nc3ccccc3N3CCCC3)CC2=O)cc1
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}