Using C[C@H]1COCCN1c1cc(CO)nc(-c2ccc(NC(=O)OC(C)(C)C)cc2)n1 to produce C[C@H]1COCCN1c1cc(CO)nc(-c2ccc(N)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.