Using Cc1cc(OCc2ccccc2)cc(NC(=O)OC(C)C)c1C(=O)O to produce Cc1cc(OCc2ccccc2)cc2nc(OC(C)C)oc(=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.