Using CCOC(=O)Cn1c(=O)n(-c2ccc(C(C)C)cc2SC)c2nc(C)nc(Cl)c21 to produce CSc1cc(C(C)C)ccc1-n1c(=O)n(CC(=O)O)c2c(Cl)nc(C)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.