Using O=C(O)CC1OB(O)c2cc(O)cc(Cl)c21, CCOC(=O)Cl to produce CCOC(=O)Oc1cc(Cl)c2c(c1)B(O)OC2CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.