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. O=C(OCc1cccs1)c1ccccc1NS(=O)(=O)c1ccc2c(c1)OCCO2
b. c1nc(NCCN2CCOCC2)c2sc3nc(N4CCOCC4)c4c(c3c2n1)CCC4
c. COc1ccc(C(=O)NCCS(=O)(=O)N2CCc3ccccc3C2)c(OC)c1
d. CCOC(=O)c1ccc(S(=O)(=O)N2CCN(CC3CC=CCC3)CC2)cc1.O=C(O)C(=O)O
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}