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 other words.
Options:
a. COc1ccc(NC(=O)c2cc(-c3ccc4c(c3)OCO4)on2)cc1OC
b. Cc1nn(C(=O)c2nn(C)cc2[N+](=O)[O-])c(C)c1Br
c. O=C(O)COCC(=O)N1CCCN(c2nc3ccc(Cl)cc3s2)CC1
d. O=C(Nc1nnc(SCC(=O)N2CCCCC2)s1)c1cccs1
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}