Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. O=C(CSc1nc(Cc2ccccc2)nc2ccccc12)Nc1ccc2c(c1)OCCO2
b. COc1cc2c3nnc(-c4ccccc4)c-3cn(Cc3ccc(F)cc3)c2cc1OC
c. CC1(C)Cc2c(c(N3CCCC3)[nH]c(=S)c2C#N)CO1
d. COc1ccc(N(C)S(=O)(=O)c2cccc(C(=O)Nc3ccc(-n4cnnn4)cc3)c2)cc1
e. CC(C)CC(=O)Nc1cc(NC(=O)CC(C)C)cc(C(=O)NC(C)(C)C)c1
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}