Using CCOC(=O)/C=C/c1scc(-c2ccc(Cl)cc2OC)c1-c1ccc(O)cc1 to produce CCOC(=O)CCc1scc(-c2ccc(Cl)cc2OC)c1-c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.