Using Oc1ccc(C2Cc3ccc(OCC4CC4)cc3O2)nc1, C[C@@H](CO)NC(=O)OC(C)(C)C to produce C[C@@H](COc1ccc(C2Cc3ccc(OCC4CC4)cc3O2)nc1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.