Using CCO, CC(=O)/C=C/[C@@H]1[C@@H](C(=O)Cl)C1(C)C to produce CCOC(=O)[C@@H]1[C@@H](/C=C/C(C)=O)C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.