Using O=Cc1cncc(Cl)c1COC1CCCCO1, CC1(C)OCC(CN)O1 to produce CC1(C)OCC(CNCc2cncc(Cl)c2COC2CCCCO2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.