Using CCC(CC)n1nnc2c(Cl)nc(C)nc21, Cc1cc(C)c(O)c(C)c1 to produce CCC(CC)n1nnc2c(Oc3c(C)cc(C)cc3C)nc(C)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.