Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CCOC(=O)c1ccc(S(=O)(=O)NNC(=O)COc2cccc(C)c2)cc1
b: Cc1ccc(C(=O)NCCCN2CCN(CCCNC(=O)c3ccc(C)cc3)CC2)cc1
c: CCC(C(=O)NCCc1ccc(OC)c(OC)c1)n1nc(C)n2c(cc3occc32)c1=O
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}