Using COC(=O)c1ccc(C(=O)NCc2cccc3c2cnn3C2CCCCO2)cc1Cl to produce O=C(NCc1cccc2c1cnn2C1CCCCO1)c1ccc(C(=O)O)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.