Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (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] COC(=O)c1ccc(/C=N\n2c(C)nnc2C)cc1
[b] Cc1nc(N2CCN(C(=O)c3ccco3)CC2)c2oc3ccccc3c2n1.Cl
[c] Cc1sc2ncnc(SC(C)C#N)c2c1C
[d] CN(C)CCn1cnc2c1c(=O)[nH]c(=O)n2Cc1ccccc1.Cl
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}