@Test
public void testBasicQueryAtomContainer() throws Exception {

    SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
    IAtomContainer atomContainer = sp.parseSmiles("CC(=O)OC(=O)C"); // acetic acid anhydride
    IAtomContainer SMILESquery = sp.parseSmiles("CC"); // acetic acid anhydride
    QueryAtomContainer query = QueryAtomContainerCreator.createBasicQueryContainer(SMILESquery);
    Assert.assertTrue(CDKMCS.isSubgraph(atomContainer, query, true));
}