Using C=C(C)C(=O)Cl, CC(C)(C)OC(=O)C1C2CC3C(OC(=O)C31)C2O to produce C=C(C)C(=O)C1C2CC3C1OC(=O)C3C2C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.