Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1[nH]c2ccccc2c1C1=CN2CCS(=O)(=O)N=C2S1
b) COc1ccc(CCNC(=O)CNC(=O)c2nn(-c3ccc(OC)c(OC)c3)c(=O)c3ccccc23)cc1OC
Answer: a, 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}