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, c, or d without using any other words.
Options:
a CCOC(=O)c1c(CSCc2ccccc2)oc2ccc(O)c(CN(C)C)c12.Cl
b CN1CCN(C(=O)C2CCN(c3ncc(C(F)(F)F)cc3Cl)CC2)CC1
c CC(=O)c1ccc(NC(=O)CSC(=S)N2CCCC2)cc1
d O=C(COC(=O)c1ccccc1-c1nc2ccccc2s1)Nc1ccccc1C(F)(F)F
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}