Using CCOC(=O)c1sc(SC)c(C#N)c1-c1ccc(C(C)(C)C)cc1 to produce CSc1sc(C(=O)O)c(-c2ccc(C(C)(C)C)cc2)c1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.