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: O=S(=O)([O-])CCC[n+]1c(SCCCS(=O)(=O)O)sc2ccc(Cl)cc21
b: CCOC(=O)c1sc2nc(C)nc(SCC(=O)N(C)C3CCS(=O)(=O)C3)c2c1C
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}