Using CCC(CC)(NC(=O)c1ccc(C2CC2)c(OCC2CCCO2)n1)C(=O)OC to produce CCC(CC)(NC(=O)c1ccc(C2CC2)c(OCC2CCCO2)n1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.