Using Cc1ccc(S(=O)(=O)OCC2Cc3c(OC(C)C)cc(C(=O)Nc4ccn(C)n4)cc3O2)cc1, CC[O-] to produce CCOCC1Cc2c(OC(C)C)cc(C(=O)Nc3ccn(C)n3)cc2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.