Using COC(=O)Cc1cn(C)nc1OCc1cc(OCc2ccc3ccccc3n2)no1 to produce Cn1cc(CC(=O)O)c(OCc2cc(OCc3ccc4ccccc4n3)no2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.