Using OC1CCOC1, Cc1cc(C)c(-n2nc(C)c3c(Cl)cc(C)nc32)c(C)c1 to produce Cc1cc(C)c(-n2nc(C)c3c(OC4CCOC4)cc(C)nc32)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.