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 additional words.
Options:
a: O=C(COc1ccc(Cl)cc1)N1CCN(C(=O)c2ccccc2F)CC1
b: COc1ccc(NS(=O)(=O)c2cc3c(cc2C)N(C(C)=O)CCO3)c(OC)c1
c: O=C(c1cc([N+](=O)[O-])[nH]n1)N1CCSCC1
d: CCN(CC)CCN(Cc1cc2ccc(C)c(C)c2[nH]c1=O)C(=S)NCc1ccco1
Answer: d
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}