Using CCOC(=O)c1c(C=Cc2ccc(C(C)C)cc2Cl)csc1N1C(=O)c2ccccc2C1=O to produce CC(C)c1ccc(C=Cc2csc(N3C(=O)c4ccccc4C3=O)c2C(=O)O)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.