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