Using Cc1ccnc(Nc2cc(C3=CCN(C(=O)OC(C)(C)C)CC3)cc(N(C)CCO)n2)c1 to produce Cc1ccnc(Nc2cc(C3CCN(C(=O)OC(C)(C)C)CC3)cc(N(C)CCO)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.