Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (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. CCCC(=O)c1cc(-c2nc3ccccc3n2C)n(C)c1
b. O=C(CCc1nnc(CCCCc2ccccc2)o1)NCc1cccc(F)c1
c. On1nnc2ccccc21
d. Cc1ccc(S(=O)(=O)NCC(c2cccnc2)N2CCOCC2)cc1
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}