Using O=CC1CCOCC1, C[C@@H]1CCCN1c1cc(C2CCNC2)cc(Nc2cc(C#N)ccn2)n1 to produce C[C@@H]1CCCN1c1cc(C2CCN(CC3CCOCC3)C2)cc(Nc2cc(C#N)ccn2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.