Using CCCCc1nc2cnc3ccccc3c2n1CCCCO, O=C1c2ccccc2C(=O)N1O to produce CCCCc1nc2cnc3ccccc3c2n1CCCCON1C(=O)c2ccccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.