Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. Cn1c(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(C(=O)c4ccccc4)CC3)cc21
b. C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)CCCCCCCCCCNC(=O)Cn3cc(CCCCCN)nn3)CC2)nc(N2CCN(C(=O)CCCCCCCCCCNC(=O)[C@@H](CCC(=O)O)n3cc(CCCCCN)nn3)CC2)n1
c. O=C(NCc1ccc2c(c1)OCO2)c1ccccc1Cl
d. Cc1cc(NCCCn2ccnc2)n2c(nc3ccccc32)c1C#N
Answer: a, b, 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}