[Cr].OCCOC(=O)c1ccccc1c2c3ccc(cc3oc4cc(ccc24)N(CC)CC)N(CC)CC.OC(=O)c5ccccc5N=NC6C(C)=NN(C6=O)c7ccccc7.OC(=O)c8ccccc8N=NC9C(C)=NN(C9=O)c%10ccccc%10