Using COC(=O)CCn1c(=O)n(Cc2ccc(Cl)c3c(C)c(C)n(C)c23)c2ccccc21 to produce Cc1c(C)n(C)c2c(Cn3c(=O)n(CCC(=O)O)c4ccccc43)ccc(Cl)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.