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.) COc1ccc(NC(=O)CSc2nc3ccccc3c(=O)n2CCCN2CCCCC2)c(OC)c1
b.) COc1cccc(NC(=O)COc2coc(CN3CCN(c4ccccc4)CC3)cc2=O)c1
c.) CN1CCSc2ccc(C(=O)NCc3cccc(Br)c3)cc21
d.) O=C(Nc1nc2n(n1)C(c1ccc(Cl)cc1)CC(c1ccc(Cl)cc1)N2)c1ccco1
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}