Using O=C1c2ccccc2C(=O)N1O, OCCCn1cnc2cnc3cccnc3c21 to produce O=C1c2ccccc2C(=O)N1OCCCn1cnc2cnc3cccnc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.