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=c1[nH]c2ccccc2c(O)c1Cc1ccccc1
b.) COC(=O)/C(C#N)=C/c1cc(C)sc1C
c.) O=C(Nc1ccccc1C(=O)NCCCN1CCOCC1)c1ccc(Cl)cc1
d.) Cc1cc(C)n(CC(=O)N/N=C/c2cc(Br)cc([N+](=O)[O-])c2O)n1
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}