@Test
public void testAgentParts() throws Exception {

    try (InputStream in = this.getClass().getResourceAsStream("ethylesterification.mol");
         MDLRXNV2000Reader rdr = new MDLRXNV2000Reader(in);) {
        IReaction reaction = rdr.read(new Reaction());
        assertThat(reaction.getAgents().getAtomContainerCount(), is(1));
    }
}