Using CCCCCC(C)C(C)c1cc(O)c2c(c1)OC(C)(C)C1=C2CN(CC(=O)OCC)CC1 to produce CCCCCC(C)C(C)c1cc(O)c2c(c1)OC(C)(C)C1=C2CN(CC(=O)O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.