Using COCCOC, Cc1ccc(NS(=O)(=O)Nc2ncnc(Cl)c2-c2ccc(C)cc2)cc1 to produce Cc1ccc(NS(=O)(=O)Nc2ncnc(OCCO)c2-c2ccc(C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.