Using CCOC(=O)c1ccc2nc(Nc3nc4ccc(Cl)cc4s3)n(C)c2c1 to produce Cn1c(Nc2nc3ccc(Cl)cc3s2)nc2ccc(C(=O)O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.