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, d, or e without using any additional words.
Options:
a Cc1cccn2c(=O)c3cc(C#N)c(=NC(=O)c4cccnc4)n(CC4CCCO4)c3nc12
b COc1ccc(NS(=O)(=O)c2cn(C)cn2)c(OC)c1
c Cc1ccc(S(=O)(=O)Nc2ccc3nc(N)sc3c2)cc1
d CC1(C)c2[nH]c3ccccc3c2C[C@H]2C(=O)N(CCCO)CC(=O)N21
e O=C(CCCC1=NS(=O)(=O)c2ccccc2N1)N1CCN(c2ccc([N+](=O)[O-])cc2)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}