Using CCOC(=O)C(SC)c1cc(C=C2SC(=O)NC2=O)ccc1OC to produce CCOC(=O)Cc1cc(C=C2SC(=O)NC2=O)ccc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.