Using CCOCc1nc2c(N)nc3cccnc3c2n1CC(C)(C)NC(=O)C1CCCCC1 to produce CC(C)(Cn1c(CO)nc2c(N)nc3cccnc3c21)NC(=O)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.