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: O=C(O)CSc1nc2sc3c(c2c(=O)n1-c1ccccc1)CCC3
b: CC1=C(C(=O)OC(C)C)C(C2CC=CCC2)NC(=O)N1
c: Br.C=CCn1c(=N)n(CC(=O)c2cccc([N+](=O)[O-])c2)c2ccccc21
d: Cc1nn(Cc2ccc(F)cc2)c(C)c1NC(=O)C1c2ccccc2Oc2ccccc21
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}