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 additional words.
Options:
a) COc1cc(Br)c(-c2sc(Nc3ccccc3)n[n+]2-c2ccccc2)cc1OC.[Cl-]
b) Cc1nn(CC(=O)NC(=O)NC2CCCCC2C)c(=O)c(C#N)c1C
c) CC(C)N(C(=O)Cn1c(SCC(=O)N2CCN(c3ccccc3)CC2)nc2ccccc21)C(C)C
Answer: a
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}