Using COC(=O)C1Cc2ccccc2CN1S(=O)(=O)c1ccc(OC)c(OC)c1 to produce COc1ccc(S(=O)(=O)N2Cc3ccccc3CC2C(=O)O)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.