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] O=C(O)COc1ccccc1/C=N/NC(=O)CSc1nc2ccccc2n1Cc1ccccc1
[b] COCCOC(=O)c1c(N)n(Cc2ccco2)c2nc3ccccc3nc12
[c] COc1cc(C(=O)NCc2nnc(SCC(=O)Nc3nc4ccccc4s3)o2)cc(OC)c1OC
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}