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) CC1CCCN(c2oc(-c3cccc4ccccc34)nc2C#N)C1
b) S=c1nc(-c2ccccc2)[nH]c2ccc(Br)cc12
c) Cc1ccc(S(=O)(=O)N2CCC(C(=O)OCC(=O)N3CCCC3=O)CC2)cc1C
d) O=c1c(-c2ccc(Oc3ccccc3)cc2)[n+]([O-])c2ccccc2n1OCc1ccccn1
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}