Using COC(=O)CC1=NN(c2ccccc2Cl)C(=O)/C1=C(/CN1CCOCC1)NCc1ccccc1 to produce O=c1c2c(CN3CCOCC3)n(Cc3ccccc3)c(=O)cc2[nH]n1-c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.