Using CCOC(=O)c1nc(Cn2cc(NC(=O)OCc3ccccc3Cl)cn2)cs1 to produce O=C(Nc1cnn(Cc2csc(CO)n2)c1)OCc1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.