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, b, c, or d without using any other words.
Options:
a. O=C(CCC(=O)NNC(=S)Nc1ccccc1)NCc1ccccc1
b. COc1cc(OC)cc(C(=O)N[C@H](C(=O)OCC(=O)c2ccc(F)cc2)C(C)C)c1
c. CCOC(=O)Cc1csc(SCC(=O)Nc2cccc(C#N)c2)n1
d. Cc1c(C#N)c2ccccc2n1C
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}