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) NS(=O)(=O)c1cccc(NC(=O)c2cccc3c(Br)cccc23)c1
(b) COc1cccc(/C=N/NC(=O)c2ccc(-c3ccccc3)cc2)c1O
(c) Cc1csc(CN(C)C(=O)CC2C(=O)NCCN2Cc2ccc(F)cc2Cl)n1
(d) S=c1[nH]c2cnccc2n1Cc1ccccc1
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}