Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CC(=O)N(C)c1ccc(NS(=O)(=O)c2cccc3nsnc23)cc1
(b) COc1ccc(OC)c(CN2CCCC(C(=O)c3ccccc3SC)C2)c1
(c) O=C1NC[C@H](CC2CCCCC2)N(CC2CCCCC2)C1=O
Answer: b
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}