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 additional words.
Options:
a C[n+]1cccc(C2C(C#N)=C(N)Oc3c2ccc2ccccc32)c1.[I-]
b COc1ccc(/C=N/NC(=O)c2ccc3nc[nH]c3c2)c(OC)c1OC
c CCOC(=O)N/N=C\c1sccc1C
d CC(C)(C)NC(=S)N/N=C\c1ccc(-c2ccc([N+](=O)[O-])cc2)o1
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}