Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COc1ccc2[nH]c(C)c(CCNC(=S)Nc3ccc(F)cc3)c2c1
[b] Cc1ccc(CSc2ccc3nnc(-c4cccnc4)n3n2)cc1
[c] CC1(C)CC(=O)c2cnc(NCC3CCCO3)nc2C1
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}