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(Nc1ccccc1)c1c(O)[nH]c(=O)[nH]c1=O
b O=C(CCC(=O)c1ccc(Br)cc1)Nc1cccnc1
c COc1cc2c(c(O)c1OC)-c1c(cc(OC)c(OC)c1OC)C[C@@H](C)[C@@H](C)C2
d Cc1ccc2c(c1)CC1(CN2C)C(=O)NC(=O)N(C(C)C)C1=O
Answer: a, b, 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}