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 other words.
Options:
[a] CC(=O)C1=C(O)C(=O)N(c2ccc(Br)cc2)C1c1ccccc1[N+](=O)[O-]
[b] O=[N+]([O-])c1ccc(N2CCCC2)c2ccncc12
[c] O=[N+]([O-])c1ccccc1OCCN1CCCC1
[d] CCOC(=O)C1CCCN(C(=O)Cn2ncc3c([nH]c4ccccc43)c2=O)C1
[e] O=C(CN1CCCCCC1)NC(c1ccccc1)c1ccccc1.O=C(O)C(=O)O
Answer: e
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}