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: COc1cccc(CN2CCNC(=O)C2CC(=O)O)c1OC
b: CC(Sc1n[nH]c(N)n1)c1nc2scc(-c3cccs3)c2c(=O)[nH]1
c: CC1(C)CC(=O)c2ccc(OCc3ccc([N+](=O)[O-])cc3)cc2O1
d: COC(=O)Cc1nnc(NC(=O)C(C)C)s1
Answer: a, b, 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}