Using Cc1c(C2=CCNCC2)nnn1-c1cccnc1Cl, COCCOC(=O)Cl to produce COCCOC(=O)N1CC=C(c2cn(-c3cccnc3Cl)nn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.