Using CC(C)CCO[C@H]1[C@H](C)OC(=O)[C@@H](N)COC[C@@H]1OCCC(C)C, COc1ccnc(C(=O)O)c1O to produce COc1ccnc(C(=O)N[C@H]2COC[C@H](OCCC(C)C)[C@@H](OCCC(C)C)[C@H](C)OC2=O)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.