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. CCCCCCn1c(O)c(C=NCCN2CCCCC2)c(=O)[nH]c1=O
b. Cc1ccc(CSCC(=O)N(C)CC(=O)Nc2ccccc2Cl)cc1
c. CC(C)OC(=O)C[N+](C)(C)CCN1C(=O)C2C(c3ccccc3)C=CC(c3ccccc3)C2C1=O.[Br-]
d. CN(C)S(=O)(=O)c1ccc(N2CCCC2)c(C(=O)Nc2ccccc2)c1
e. COc1ccc(OC)c(-n2nnnc2SCC(=O)N2CCN(C(=O)c3ccco3)CC2)c1
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}