Using C1COCCO1, CC(C)(C)OC(=O)N1CCN(c2nccnc2OCCOc2nccnc2Cl)CC1 to produce COc1nccnc1OCCOc1nccnc1N1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.