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, or c without using any other words.
Options:
(a) COc1ccc(OC)c(NC(=O)C2CCCN(S(=O)(=O)c3c(C)noc3C)C2)c1
(b) CCCC(=O)c1cc2ccccc2oc1=O
(c) CCc1cc2c(COC(=O)c3cccc(NS(C)(=O)=O)c3)cc(=O)oc2cc1O
Answer: a, b, c
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}