Using CCC(CCO)c1ccc(Cl)c2nc3n(c12)CCCN3c1ccc(Cl)cc1Cl, CI to produce CCC(CCOC)c1ccc(Cl)c2nc3n(c12)CCCN3c1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.