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 additional words.
Options:
a: Cc1ccc(Cn2c(=N)n(CC(O)COc3ccccc3)c3ccccc32)cc1.Cl
b: C=CCn1c(C)c(C(C)=O)c(N2CCOCC2)nc1=S
c: COc1ccc(S(=O)(=O)N2CCN(c3cccc(C)c3C)CC2)cc1
d: COc1ccc(S(=O)(=O)NNC(=O)Cc2csc(C)n2)cc1[N+](=O)[O-]
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}