Using Cc1ccc(C[C@H]2COC[C@H](N)C(=O)O[C@@H](C)[C@@H]2OCC(C)C)cc1, COc1ccnc(C(=O)O)c1O to produce COc1ccnc(C(=O)N[C@H]2COC[C@H](Cc3ccc(C)cc3)[C@@H](OCC(C)C)[C@H](C)OC2=O)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.