Using CCOC(=O)Cn1c(C)c(Sc2ccc(Cl)cc2)c2c1CCCC2=O to produce Cc1c(Sc2ccc(Cl)cc2)c2c(n1CC(=O)O)CCCC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.