Using CCN=C=NCCCN(C)C, O=C(O)c1cc(C(F)(F)F)nn1-c1ccccc1Cl to produce CCOC(=O)c1cc(C(F)(F)F)nn1-c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.