Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCNc1nc(NCC)nc(OCCNS(=O)(=O)c2ccccc2)n1
b: COc1cc(C2Nc3ccc4ncccc4c3C3=C2C(=O)CCC3)cc(OC)c1OC
c: COc1ccc2c(c1)c1c(n2C(C)=O)C(OC(C)=O)=NCC1
d: C#CC[N+](C)(C)C(C#Cc1ccccc1)CC=C.[Br-]
Answer: a, b, c, 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}