Using COCC(=O)Cl, COc1cc2c(NCc3ccccn3)c(N)cnc2cc1-c1c(C)noc1C to produce COCc1nc2cnc3cc(-c4c(C)noc4C)c(OC)cc3c2n1Cc1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.