Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a COc1ccc(OC)c(NC(=O)COC(=O)CCC2CCCC2)c1
b COc1cccc(NC(=O)CSc2nc3c(sc4ccccc43)c(=O)n2CCN(C)C)c1.Cl
c CCCCCCn1c(O)c(C=NCCN2CCOCC2)c(=O)[nH]c1=O
d Cc1ccc(Nc2nc(N)c([N+](=O)[O-])c(NCc3ccco3)n2)cc1
e Cc1cc(/C=C2/SC(=O)N(CC(=O)OC(C)C)C2=O)c(C)n1C
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}