Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CC(C)(Oc1ccc(Cl)cc1)C(=O)O
b. CCc1ccc(-c2nc(CN3CCC(C(=O)NCCN(CC)c4ccccc4)CC3)c(C)o2)cc1
c. CC(=O)Nc1ccc(OCC(=O)NCc2ccccc2)cc1
d. O=C1C2CC=CCC2C(=O)N1c1ncn[nH]1
Answer: a, 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}