Using COC(=O)c1ccc(CN2CCC(OC(c3ccccc3)c3ccccc3)CC2)n1C(=O)OC(C)(C)C to produce O=C(O)c1ccc(CN2CCC(OC(c3ccccc3)c3ccccc3)CC2)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.