Using CC(C)(C)OC(=O)Nc1ccc(CCCOS(C)(=O)=O)cc1, CCOC(=O)[C@H](Cc1ccc(O)cc1)OCC to produce CCOC(=O)[C@H](Cc1ccc(OCCCc2ccc(NC(=O)OC(C)(C)C)cc2)cc1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.