Using CCCCc1nc2c(N)nc3ccccc3c2n1OCCCCN, CCCCCCCCCCCCCCCCCC(=O)O to produce CCCCCCCCCCCCCCCCCC(=O)NCCCCOn1c(CCCC)nc2c(N)nc3ccccc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.