Using C1COCCN1, CCCc1nc2cnc3ccccc3c2n1CCCCCC(=O)O to produce CCCc1nc2cnc3ccccc3c2n1CCCCCC(=O)N1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.