Using CCOC(=O)CN, C=C(C(=O)O)[C@@H](O)c1ccccc1 to produce C=C(C(=O)NCC(=O)OCC)[C@@H](O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.