Using CCOCc1nc2c(N)nc3ccccc3c2n1CCCCNC(=O)C1CCCC1 to produce Nc1nc2ccccc2c2c1nc(CO)n2CCCCNC(=O)C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.