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. O=C(Nc1nn[nH]n1)c1cccc([N+](=O)[O-])c1
b. COc1ccc(N=Cc2c(O)n(C)c(=O)[nH]c2=O)cc1
c. CC(NC(=O)COC(=O)c1ccccc1SCC(=O)N1CCCC1)c1ccccc1
d. O=c1[nH]cn[nH]1
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}