Using COC(=O)c1cccc(-c2ccn3ncc(C=C4SC(=O)NC4=O)c3n2)c1 to produce O=C1NC(=O)C(=Cc2cnn3ccc(-c4cccc(C(=O)O)c4)nc23)S1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.