Using CCOC(=O)C(=Cc1cccc(OCCc2ccc(OS(C)(=O)=O)cc2)c1)OCC to produce CCOC(=O)C(Cc1cccc(OCCc2ccc(OS(C)(=O)=O)cc2)c1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.