Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (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(CNC(=O)c1ccccc1)OCC(=O)c1ccccc1Cl
b Cc1c(OC(C(=O)O)c2ccccc2)ccc2c(-c3ccccc3)cc(=O)oc12
c C=CCc1c(C)[nH]c2c(OC)cccc2c1=S
d COc1ccc(C(c2nnnn2C(C)(C)C)N2CCN(C(=O)c3ccco3)CC2)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}