Using CC(=O)O, c1cc2cc(Cn3nnc4ncc(-c5cnn(CCOC6CCCCO6)c5)nc43)ccn2n1 to produce O=Cc1cnn2ccc(Cn3nnc4ncc(-c5cnn(CCO)c5)nc43)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.