Try This:
Using the JME editor, draw the skeletal structures and obtain the SMILES string for the two isomers of 2-propanol: 1-propanol and methyl ethyl ether. Shown below are the condensed structural formulas for these two isomers:
1-propanol
SMILES string is "CCCO"
methyl ethyl ether
SMILES string is "CCOC"