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 CCOc1ccccc1NC(=O)CN1C(=O)CSC(C)C1=O
b Cc1[nH]nc2c1C1(CCN(Cc3ccccc3)CC1)C(C#N)=C(N)O2
c COc1ccc(-n2c(=S)[nH]c3sc(-c4ccccc4)cc3c2=O)c(OC)c1
d Cc1c(C)[n+](=O)c(-c2ccc(Br)cc2)c(C)n1[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}