Task: Please answer the multiple choice question.
Question: Which molecules are not 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(NCCCc1ccccc1)c1cccc([N+](=O)[O-])c1
b. CC(Nc1nc(N2CCNCC2)nc2ccccc12)c1ccccc1
c. O=C(N/N=C\c1ccc(Cl)cc1)C1=NOC2COC3(CCN(c4ccc([N+](=O)[O-])cc4)CC3)OCC12
d. Cc1cc2oc(=O)cc(CN3CCOCC3)c2cc1O
Answer: a, c, 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}