IAtomContainer readMolecule =
chemModel.getBuilder().newInstance(IAtomContainer.class);
try {
if (reader.accepts(IAtomContainer.class)) {
toPaste = (IAtomContainer) reader.read(readMolecule);
} else if (reader.accepts(ChemFile.class)) {
toPaste = readMolecule;
IChemFile file = (IChemFile) reader.read(new ChemFile());
for (IAtomContainer ac :
ChemFileManipulator.getAllAtomContainers(file)) {
toPaste.add(ac);