Using CCOC(=O)c1ccc2[nH]c(SCc3nccc(OC)c3OC)nc2c1, O=C([O-])O to produce CCOC(=O)c1ccc2[nH]c(S(=O)Cc3nccc(OC)c3OC)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.