Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=C(CSc1nnc(CNC(=O)c2ccco2)o1)Nc1ccc(OC(F)(F)F)cc1
b: Cc1ccc(-n2nnnc2SCC(=O)N2CCCCC2)cc1
c: CSC(=O)NC12CC3CC(CC(C)(C3)C1)C2
d: COc1ccc(C2C(C(=O)c3ccccc3)=C(C)Nc3nc4ccccc4n32)c(OC)c1
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}