Using CCOC(=O)C(C=O)CC, CCCN=C(N)Nc1ccnc(CCCCC(=N)N)n1 to produce CCCN=C(N)Nc1ccnc(CCCCc2ncc(CC)c(O)n2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.