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 other words.
Options:
(a) O=C(O)c1cc(NS(=O)(=O)c2cccc3ccccc23)ccc1O
(b) Cc1cccc(CC(=O)NC2CCN(C)CC2)c1
(c) COc1ccc(CN2C(=O)COc3ccccc32)cc1
(d) CNC(=O)c1sc(=S)n(-c2ccc(OC)cc2)c1N
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}