Using CCc1cc(-c2noc(-c3cc(C)c(CC(C)C)cn3)n2)cc(C)c1OCCN, CCOC(=O)CCN to produce CCc1cc(-c2noc(-c3cc(C)c(CC(C)C)cn3)n2)cc(C)c1OCCNCCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.