Using C=C(C)C(=O)[O-], C=C(C)C(=O)OCCOC(=O)OC(C)Cl to produce C=C(C)C(=O)OCCOC(=O)OC(C)OC(=O)C(=C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.