Using CCCN(c1cc(COCC(C)(Cc2ccccc2)NC(=O)OC(C)(C)C)cc(C(=O)O)c1)S(C)(=O)=O to produce CCCN(c1cc(CO)cc(COCC(C)(N)Cc2ccccc2)c1)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.