Using CCOC(=O)c1cc2c(C)cccc2[nH]1, CCOC(=O)COCCOS(=O)(=O)c1ccc(C)cc1 to produce CCOC(=O)COCCn1c(C(=O)OCC)cc2c(C)cccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.