Using CCCO, CCCCCCCCN1CCCc2c1cc(C)c(CC(N)=O)c2C to produce CCCCCCCCN1CCCc2c1cc(C)c(CC(=O)OCC)c2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.