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 other words.
Options:
a: CCOCCCNC(=S)NCCNc1nc2ccc(C)cc2cc1C#N
b: COCCCNC1=C(Cl)C(=O)c2ccccc2C1=O
c: CCCN(CC(=O)Nc1cc(Cl)ccc1Cl)C(=O)c1ccc(N2CCCC2=O)cc1
d: Cl.O=C(NCCCN1CCOCC1)c1ccc(Cl)c(S(=O)(=O)N2CCCCCC2)c1
Answer: d
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}