Using C=CCOc1ccccc1C1C(C(=O)OCC)=C(C)NC(C(OCC)OCC)=C1C(=O)OCC to produce C=CCOc1ccccc1C1C(C(=O)OCC)=C(C)NC(C=O)=C1C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.