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 other words.
Options:
a: CC#CCN(CC#CC)S(=O)(=O)c1ccc(-n2cnnn2)c(OC)c1
b: O=C1c2c(O)cccc2Cc2cccc(O)c21
c: C=C(C)[C@@H]1CC=C(CN2CCN(Cc3ccccc3)CC2)CC1
d: Cc1c(Br)cnn1C(C)C(=O)N1CCN(c2ccc(F)cc2)CC1
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}