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) Cc1ccc(O)c(CP(=O)(c2ccccc2)c2ccccc2)c1
(b) O=C(N/N=C/c1cccc([N+](=O)[O-])c1)C1CC1c1ccccc1
(c) O=C(NCCC1=CCCCC1)c1cc(S(=O)(=O)N2CCCCC2)ccc1Cl
(d) CCn1c(N2CCN(Cc3ccc([N+](=O)[O-])cc3)CC2)nc2ccccc21.Cl
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}