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. CC(=O)Oc1ccc(OC(C)=O)c(S(=O)(=O)c2ccc(C)c(C)c2)c1
b. CC(c1nc2ccccc2o1)N1C(=O)c2ccccc2C1=O
c. Cc1ccc(-c2nnc(CSc3nnc(C)s3)o2)cc1
d. COc1cccc(Nc2nc3ccccc3c(=O)[nH]2)c1
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}