Using CCOC(=O)c1cnn(-c2ccc(C(=O)NCCCOC)cn2)c1OC to produce COCCCNC(=O)c1ccc(-n2ncc(C(=O)O)c2OC)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.