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 other words.
Options:
a. O=C(CN1C(=O)COc2ccc(S(=O)(=O)N3CCCC3)cc21)NC1CCCCCCC1
b. CCCCn1cnc2c(cnn2-c2ccc(F)cc2)c1=O
c. CCOC(=O)c1c(-c2ccsc2)csc1N
d. Cc1cnccc1CNC(=O)CC1C(=O)NCCN1CC(C)(C)C
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}