Task: Please answer the multiple choice question.
Question: Which molecules are 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. COc1cc2c(cc1OC)C(/C(C#N)=N\O)=NC(C)(C)C2
b. CCOc1ccc(S(=O)(=O)N(CC(=O)NCc2cccnc2)c2ccc(C)cc2)cc1
c. Clc1ccc(CN2CCC(Cc3ccccc3)CC2)cc1
d. CC(NCc1cc(Br)ccc1OCC(=O)NCc1ccccc1)c1ccccc1.Cl
Answer: 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}