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 additional words.
Options:
a. CCCCOCCCNC(=O)N[C@H](C(=O)OC)C(C)CC
b. O=C(CNS(=O)(=O)/C=C/c1ccccc1)OCC(=O)N1CCC(Cc2ccccc2)CC1
c. O=C1CSC(c2ccccc2)N1CC(O)c1ccc([N+](=O)[O-])cc1
d. CN(CCc1cnn(C)c1)C(=O)C1CCC(=O)N(CC2CCCCC2)C1
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}