Using CC(=O)O, CCOc1cc(Cc2cnc(N)nc2N)cc(OCc2ccccc2)c1-c1cccc(N)c1 to produce CCOc1cc(Cc2cnc(N)nc2N)cc(OCCC2CCOCC2)c1-c1cccc(N)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.