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, d, or e without using any other words.
Options:
(a) O=C(Nc1ccccc1N1CCN(C(=O)c2ccccc2)CC1)c1cccc(Cl)c1
(b) O=C(CCC(=O)c1cccs1)NCc1cccc(Cl)c1
(c) C=CCNC(=S)Nc1cccc([N+](=O)[O-])c1
(d) CCN(CC)C(=O)C1=C(C)NC(=O)NC1c1ccccc1F
(e) Br.CNCCc1nc(N)n[nH]1
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}